CVE-2022-39046: Buffer Overflow
First published: Wed Aug 31 2022(Updated: )
An issue was discovered in the GNU C Library (glibc) 2.36. When the syslog function is passed a crafted input string larger than 1024 bytes, it reads uninitialized memory from the heap and prints it to the target log file, potentially revealing a portion of the contents of the heap.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| GNU C Library | =2.37 | |
| GNU C Library | =2.36 | |
| GNU C Library (glibc) | =2.36 | |
| All of | ||
| NetApp H300S Firmware | ||
| NetApp H300S Firmware | ||
| All of | ||
| NetApp H500e Firmware | ||
| NetApp H500e Firmware | ||
| All of | ||
| NetApp H700S | ||
| NetApp H700S | ||
| All of | ||
| NetApp H410S | ||
| NetApp H410S Firmware | ||
| All of | ||
| NetApp H410C | ||
| NetApp H410C Firmware | ||
| NetApp ONTAP Select Deploy | ||
| NetApp H300S Firmware | ||
| NetApp H300S Firmware | ||
| NetApp H500e Firmware | ||
| NetApp H500e Firmware | ||
| NetApp H700S | ||
| NetApp H700S | ||
| NetApp H410S | ||
| NetApp H410S Firmware | ||
| NetApp H410C | ||
| NetApp H410C Firmware |
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Reference Links
- https://security.gentoo.org/glsa/202310-03
- https://security.netapp.com/advisory/ntap-20221104-0002/
- https://sourceware.org/bugzilla/show_bug.cgi?id=29536
- https://www.bleepingcomputer.com/news/security/new-linux-glibc-flaw-lets-attackers-get-root-on-major-distros/
- http://www.openwall.com/lists/oss-security/2024/01/30/8
- http://www.openwall.com/lists/oss-security/2024/01/30/6
- http://packetstormsecurity.com/files/176932/glibc-syslog-Heap-Based-Buffer-Overflow.html
- http://seclists.org/fulldisclosure/2024/Feb/3
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is CVE-2022-39046?
CVE-2022-39046 is an issue discovered in the GNU C Library (glibc) 2.36, where the syslog function can potentially reveal uninitialized memory from the heap.
What is the severity of CVE-2022-39046?
The severity of CVE-2022-39046 is high with a CVSS score of 5.3.
Which software versions are affected by CVE-2022-39046?
GNU glibc 2.36 and Apple macOS Ventura, Big Sur, and Monterey are affected by CVE-2022-39046.
How can CVE-2022-39046 be exploited?
CVE-2022-39046 can be exploited by passing a crafted input string larger than 1024 bytes to the syslog function.
Are there any fixes or patches available for CVE-2022-39046?
Yes, patches are available for CVE-2022-39046. Please refer to the references provided for more information.
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