Search results for code execution | Breaking Cybersecurity News | The Hacker News

The maintainers of the  Git  source code version control system have released updates to remediate two critical vulnerabilities that could be exploited by a malicious actor to achieve remote code execution. The flaws, tracked as  CVE-2022-23521  and  CVE-2022-41903 , impacts the following versions of Git: v2.30.6, v2.31.5, v2.32.4, v2.33.5, v2.34.5, v2.35.5, v2.36.3, v2.37.4, v2.38.2, and v2.39.0. Patched versions include v2.30.7, v2.31.6, v2.32.5, v2.33.6, v2.34.6, v2.35.6, v2.36.4, v2.37.5, v2.38.3, and v2.39.1. X41 D-Sec security researchers Markus Vervier and Eric Sesterhenn as well as GitLab's Joern Schneeweisz have been credited with reporting the bugs. "The most severe issue discovered allows an attacker to trigger a heap-based memory corruption during clone or pull operations, which might result in code execution," the German cybersecurity company  said  of CVE-2022-23521. CVE-2022-41903, also a critical vulnerability, is triggered during an archive operatio

As part of this month's Patch Tuesday, Microsoft today released a fresh batch of security updates to fix a total of 129 newly discovered security vulnerabilities affecting various versions of its Windows operating systems and related software. Of the 129 bugs spanning its various products — Microsoft Windows, Edge browser, Internet Explorer, ChakraCore, SQL Server, Exchange Server, Office, ASP.NET, OneDrive, Azure DevOps, Visual Studio, and Microsoft Dynamics — that received new patches, 23 are listed as critical, 105 are important, and one is moderate in severity. Unlike the past few months, none of the security vulnerabilities the tech giant patched in September are listed as being publicly known or under active attack at the time of release or at least not in knowledge of Microsoft. A memory corruption vulnerability ( CVE-2020-16875 ) in Microsoft Exchange software is worth highlighting all the critical flaws. The exploitation of this flaw could allow an attacker to run

It comes as no surprise that today's cyber threats are orders of magnitude more complex than those of the past. And the ever-evolving tactics that attackers use demand the adoption of better, more holistic and consolidated ways to meet this non-stop challenge. Security teams constantly look for ways to reduce risk while improving security posture, but many approaches offer piecemeal solutions – zeroing in on one particular element of the evolving threat landscape challenge – missing the forest for the trees.  In the last few years, Exposure Management has become known as a comprehensive way of reigning in the chaos, giving organizations a true fighting chance to reduce risk and improve posture. In this article I'll cover what Exposure Management is, how it stacks up against some alternative approaches and why building an Exposure Management program should be on  your 2024 to-do list. What is Exposure Management?  Exposure Management is the systematic identification, evaluation,

Security researchers have uncovered yet another vulnerability affecting numerous older AMD and Intel microprocessors that could bypass current defenses and result in Spectre-based speculative-execution attacks. Dubbed  Retbleed  by ETH Zurich researchers Johannes Wikner and Kaveh Razavi, the issue is tracked as CVE-2022-29900 (AMD) and CVE-2022-29901 (Intel), with the chipmakers  releasing   software   mitigations  as part of a coordinated disclosure process. Retbleed is also the latest addition to a class of  Spectre attacks  known as Spectre-BTI (CVE-2017-5715 or Spectre-V2), which exploit the side effects of an optimization technique called  speculative execution  by means of a timing side channel to trick a program into accessing arbitrary locations in its memory space and leak private information. Speculative execution attempts to fill the instruction pipeline of a program by predicting which instruction will be executed next in order to gain a performance boost, while also u

Yeah, it's Patch Tuesday once again. Almost 10 years ago in October, 2003 - Microsoft  invented the process of regularly scheduled security updates on every second Tuesday of the Month, as  Patch Tuesday. Today, the Microsoft Security team will i ssue eight security updates in total, out of that -- three of which are designated as " critical ," and rest five as " Important " updates, that patches vulnerabilities in Microsoft Windows, Microsoft Server Software, and Internet Explorer. The eight bulletins that Microsoft is releasing fixes a total of 23 different vulnerabilities in Microsoft products. Microsoft will be rolling out a total of three Critical patches dealing with Remote Code Execution. Windows 8 is expected to get four of the updates, one of them is critical and dealing with Remote Code Execution with Internet Explorer 10, while the other three updates are Important and deal with Elevation of Privilege and Denial of Service . Windows RT i

The U.S. National Security Agency (NSA) on Tuesday  said  a threat actor tracked as APT5 has been actively exploiting a zero-day flaw in Citrix Application Delivery Controller (ADC) and Gateway to take over affected systems. The critical remote code execution vulnerability, identified as  CVE-2022-27518 , could allow an unauthenticated attacker to execute commands remotely on vulnerable devices and seize control. Successful exploitation, however, requires that the Citrix ADC or Citrix Gateway appliance is configured as a SAML service provider (SP) or a SAML identity provider (IdP). The following supported versions of Citrix ADC and Citrix Gateway are affected by the vulnerability - Citrix ADC and Citrix Gateway 13.0 before 13.0-58.32 Citrix ADC and Citrix Gateway 12.1 before 12.1-65.25 Citrix ADC 12.1-FIPS before 12.1-55.291 Citrix ADC 12.1-NDcPP before 12.1-55.291 Citrix ADC and Citrix Gateway versions 13.1 are not impacted. The company also said there are no workarounds a

Cybersecurity researchers have developed what's the first fully undetectable cloud-based cryptocurrency miner leveraging the Microsoft  Azure Automation  service without racking up any charges. Cybersecurity company SafeBreach said it discovered three different methods to run the miner, including one that can be executed on a victim's environment without attracting any attention. "While this research is significant because of its potential impact on cryptocurrency mining, we also believe it has serious implications for other areas, as the techniques could be used to achieve any task that requires code execution on Azure," security researcher Ariel Gamrian  said  in a report shared with The Hacker News. The study mainly set out to identify an "ultimate crypto miner" that offers unlimited access to computational resources, while simultaneously requiring little-to-no maintenance, is cost-free, and undetectable. That's where Azure Automation comes in.

A four-year-old critical security flaw impacting Fortinet FortiOS SSL has emerged as one of the most routinely and frequently exploited vulnerabilities in 2022. "In 2022, malicious cyber actors exploited older software vulnerabilities more frequently than recently disclosed vulnerabilities and targeted unpatched, internet-facing systems," cybersecurity and intelligence agencies from the Five Eyes nations, which comprises Australia, Canada, New Zealand, the U.K., and the U.S.,  said  in a joint alert. The continued weaponization of  CVE-2018-13379 , which was also one among the most exploited bugs in  2020  and  2021 , suggests a failure on the part of organizations to apply patches in a timely manner, the authorities said. "Malicious cyber actors likely prioritize developing exploits for severe and globally prevalent CVEs," according to the advisory. "While sophisticated actors also develop tools to exploit other vulnerabilities, developing exploits for cri

Cybersecurity researchers have disclosed multiple severe security vulnerabilities asset management platform  Device42  that, if successfully exploited, could enable a malicious actor to seize control of affected systems. "By exploiting these issues, an attacker could impersonate other users, obtain admin-level access in the application (by leaking session with an  LFI ) or obtain full access to the appliance files and database (through remote code execution)," Bitdefender  said  in a Wednesday report. Even more concerningly, an adversary with any level of access within the host network could daisy-chain three of the flaws to bypass authentication protections and achieve remote code execution with the highest privileges. The issues in question are listed below - CVE-2022-1399  - Remote Code Execution in scheduled tasks component CVE-2022-1400  - Hard-coded encryption key IV in Exago WebReportsApi.dll CVE 2022-1401  - Insufficient validation of provided paths in Exago

Here comes the second 'Patch Tuesday' of this year. Adobe today released the latest security updates for five of its widely used software that patch a total of 42 newly discovered vulnerabilities, 35 of which are critical in severity. The first four of the total five affected software, all listed below, are vulnerable to at least one critical arbitrary code execution vulnerability that could allow attackers to take full control of vulnerable systems. Adobe Framemaker Adobe Acrobat and Reader Adobe Flash Player Adobe Digital Edition Adobe Experience Manager In brief, Adobe Framemaker for Windows, an advanced document processing software, contains 21 flaws, and all of them are critical buffer error, heap overflow, memory corruption, and out-of-bounds write issues, leading to code execution attacks. Adobe Acrobat and Reader for Windows and macOS also contain 12 similar critical code execution vulnerabilities, along with 3 other important information disclosure

Security researchers have discovered a serious code execution vulnerability in the LIVE555 streaming media library—which is being used by popular media players, along with a number of embedded devices capable of streaming media. LIVE555 streaming media, developed and maintained by Live Networks , is a set of C++ libraries companies and application developers use to stream multimedia over open standard protocols like RTP/RTCP, RTSP or SIP. The LIVE555 streaming media libraries support streaming, receiving, and processing of various video formats such as MPEG, H.265, H.264, H.263+, VP8, DV, and JPEG video, and several audio codecs such as MPEG, AAC, AMR, AC-3, and Vorbis. UPDATE: LIVE555 streaming media library supports both server and client, and is internally being used by many well-known media software such as VLC and MPlayer, security researchers at Talos mentioned in the advisory. Though researchers didn't specify if the vulnerable component (a server-side library)

Technical details have been disclosed regarding a number of security vulnerabilities affecting Moxa's MXview web-based network management system, some of which could be chained by an unauthenticated adversary to achieve remote code execution on unpatched servers. The five security weaknesses "could allow a remote, unauthenticated attacker to execute code on the hosting machine with the highest privileges available: NT AUTHORITY\SYSTEM," Claroty security researcher Noam Moshe  said  in a report published this week. Moxa  MXview  is designed for configuring, monitoring, and diagnosing networking devices in industrial networks. The flaws, which affect versions 3.x to 3.2.2 of the network management software, were rectified in  version 3.2.4 or higher  following a coordinated disclosure process in October 2021. "Successful exploitation of these vulnerabilities may allow an attacker to create or overwrite critical files to execute code, gain access to the program, ob

Several security vulnerabilities have been disclosed in cloud management platforms associated with three industrial cellular router vendors that could expose operational technology (OT) networks to external attacks. The findings were presented by Israeli industrial cybersecurity firm OTORIO at the Black Hat Asia 2023 conference last week. "Industrial cellular routers and gateways are essential IIoT devices that provide connectivity for industrial applications, facilitating remote monitoring, control, and data exchange across various industries," OTORIO said. With gateways widely deployed in critical infrastructure sectors such as substations, water utilities, oil fields, and pipelines, weaknesses in these devices could have severe consequences, impacting availability and process safety. The 11 vulnerabilities discovered by the company allow "remote code execution and full control over hundreds of thousands of devices and OT networks - in some cases, even those not

Microsoft's latest round of monthly security updates has been released with fixes for  68 vulnerabilities  spanning its software portfolio, including patches for six actively exploited zero-days. 12 of the issues are rated Critical, two are rated High, and 55 are rated Important in severity. This also includes the weaknesses that were closed out by  OpenSSL  the previous week. Also separately  addressed  in Microsoft Edge at the start of the month is an actively exploited flaw in Chromium-based browsers ( CVE-2022-3723 ) that was plugged by Google as part of an out-of-band update late last month. "The big news is that  two older zero-day CVEs  affecting Exchange Server, made public at the end of September, have finally been fixed," Greg Wiseman, product manager at Rapid7, said in a statement shared with The Hacker News. "Customers are advised to update their  Exchange Server systems  immediately, regardless of whether any previously recommended mitigation steps

Microsoft on Tuesday rolled out its scheduled  monthly security update  with patches for 55 security flaws affecting Windows, Exchange Server, Internet Explorer, Office, Hyper-V, Visual Studio, and Skype for Business. Of these 55 bugs, four are rated as Critical, 50 are rated as Important, and one is listed as Moderate in severity. Three of the vulnerabilities are publicly known, although, unlike  last month , none of them are under active exploitation at the time of release. The most critical of the flaws addressed is  CVE-2021-31166 , a wormable remote code execution vulnerability in the HTTP protocol stack. The issue, which could allow an unauthenticated attacker to send a specially crafted packet to a targeted server, is rated 9.8 out of a maximum of 10 on the CVSS scale. Another vulnerability of note is a remote code execution flaw in Hyper-V ( CVE-2021-28476 ), which also scores the highest severity among all flaws patched this month with a CVSS rating of 9.9. "This i

A security vulnerability has been discovered in the R programming language that could be exploited by a threat actor to create a malicious RDS (R Data Serialization) file such that it results in code execution when loaded and referenced. The flaw, assigned the CVE identifier CVE-2024-27322 (CVSS score: 8.8), "involves the use of promise objects and lazy evaluation in R," AI application security company HiddenLayer said in a report shared with The Hacker News. RDS,  like pickle in Python , is a format used to serialize and save the state of data structures or objects in R, an open-source programming language used in statistical computing, data visualization, and machine learning. This process of serialization – serialize() or saveRDS() – and deserialization – unserialize() and readRDS() – is also leveraged when saving and loading R packages. The root cause behind CVE-2024-27322 lies in the fact that it could lead to arbitrary code execution when deserializing untrusted

A highly critical vulnerability has been uncovered in the GNU C Library (glibc) , a key component of most Linux distributions, that leaves nearly all Linux machines, thousands of apps and electronic devices vulnerable to hackers that can take full control over them. Just clicking on a link or connecting to a server can result in remote code execution (RCE), allowing hackers to steal credentials, spy on users, seize control of computers, and many more. The vulnerability is similar to the last year's  GHOST vulnerability (CVE-2015-0235) that left countless machines vulnerable to remote code execution (RCE) attacks , representing a major Internet threat. GNU C Library (glibc) is a collection of open source code that powers thousands of standalone apps and most Linux distributions, including those distributed to routers and other types of hardware. The recent flaw, which is indexed as CVE-2015-7547 , is a stack-based buffer overflow vulnerability in glibc's D

Security researchers have discovered a severe vulnerability in the popular end-to-end encrypted Signal messaging app for Windows and Linux desktops which could allow remote attackers to execute malicious code on recipients system just by sending a message—without requiring any user interaction. Discovered by Alfredo Ortega, a software security consultant from Argentina, the vulnerability was announced on Twitter just a few hours ago with a proof-of-concept video, demonstrating how a javascript payload sent over Signal for desktop app successfully got executed on the recipient's system. Although technical details of the vulnerability have not been revealed as of now, the issue appears to be a remote code execution vulnerability in Signal or at least something very close to persistent cross-site scripting (XSS) which eventually could allow attackers to inject malicious code onto targeted Windows and Linux systems. "For the time being, we can only confirm the execution