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CVE-2022-39046

Date: August 30, 2022

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.

Language: C

Severity Score

Related Resources (9)

https://sourceware.org/bugzilla/show_bug.cgi?id=29536
http://seclists.org/fulldisclosure/2024/Feb/3
https://security.gentoo.org/glsa/202310-03
https://nvd.nist.gov/vuln/detail/CVE-2022-39046
http://www.openwall.com/lists/oss-security/2024/01/30/8
http://packetstormsecurity.com/files/176932/glibc-syslog-Heap-Based-Buffer-Overflow.html
https://security.netapp.com/advisory/ntap-20221104-0002/
http://www.openwall.com/lists/oss-security/2024/01/30/6
https://www.mend.io/vulnerability-database/CVE-2022-39046

Severity Score

Weakness Type (CWE)

Insertion of Sensitive Information into Log File

CWE-532

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

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