SB2022083140 - Information disclosure in GNU C Library (glibc)

Description

This security bulletin contains information about 1 vulnerability.

1) Inclusion of Sensitive Information in Log Files (CVE-ID: CVE-2022-39046)

CWE-ID: CWE-532 - Information Exposure Through Log Files

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to the software can store potentially sensitive data into a log file. 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.

Remediation

Install update from vendor's website.

References

• https://sourceware.org/bugzilla/show_bug.cgi?id=29536
• https://security.netapp.com/advisory/ntap-20221104-0002/
• https://security.gentoo.org/glsa/202310-03
• http://www.openwall.com/lists/oss-security/2024/01/30/8
• http://www.openwall.com/lists/oss-security/2024/01/30/6