Moderate Vulnerability in libarchive: Heap Buffer Over-read Issue
Summary
RLSA-2025:7510: Moderate: libarchive security update. Affects libarchive versions < 0:3.7.7-2.el10_0. Fixed in 0:3.7.7-2.el10_0. How to fix ↓
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Background
libarchive is a versatile programming library that facilitates the creation and reading of various streaming archive formats, such as GNU tar, cpio, and ISO 9660 CD-ROM images. It is widely utilized in tools like the bsdtar utility, scripting language bindings (e.g., python-libarchive), and numerous popular desktop file managers. Its ability to handle multiple archive formats makes it a critical component in many software applications.
Vulnerability Detail
The vulnerability identified as CVE-2024-57970 is a heap buffer over-read in the header_gnu_longlink function of libarchive. This issue arises from improper handling of certain input data, which can lead to unexpected behavior, including potential information leakage. The CVSS score for this vulnerability is 4.0, indicating a moderate severity level. If exploited, this vulnerability could allow an attacker to read sensitive data from memory, posing a risk to the confidentiality of the system.
How To Fix
Minimum fixed version
0:3.7.7-2.el10_0
This is the first release that contains the fix.
sudo dnf update libarchiveTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As of now, no specific workarounds have been provided for this vulnerability. The best course of action is to apply the available patch as soon as possible.
Conclusion
In summary, the libarchive library has a moderate vulnerability (CVE-2024-57970) that can lead to heap buffer over-reads, potentially exposing sensitive information. Users are advised to update to the latest patched version to mitigate this risk. Regular monitoring for vulnerabilities using tools like Vulert can help maintain the security of your applications.
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FAQ
CVE-2024-57970 is a vulnerability in the libarchive library that results in a heap buffer over-read, potentially allowing unauthorized access to sensitive information.
The vulnerability could lead to information leakage, where sensitive data may be exposed to unauthorized users, impacting system confidentiality.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
The CVSS score for this vulnerability is 4.0, indicating a moderate severity level.
The best way to protect your system is to update the libarchive package to the patched version 0:3.7.7-2.el10_0 as soon as possible.
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