PT-2017-17760 · Gnu+1 · Gnulib+1

Published 2017-05-02 · Updated 2025-11-06 · CVE-2017-7476

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Gnulib versions prior to 2017-04-26

Description The issue is related to a heap-based buffer overflow that occurs with the TZ environment variable. The error is specifically located in the save abbr function within the time rz.c file.

Recommendations For versions prior to 2017-04-26, update to a version released after 2017-04-26 to resolve the issue. As a temporary workaround, consider restricting the use of the TZ environment variable to minimize the risk of exploitation.

Exploit

Fix

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

ALT-PU-2018-3687

CVE-2017-7476

OPENSUSE-SU-2024:10694-1

OPENSUSE-SU-2024:10735-1

Affected Products

Alt Linux

Gnulib

References · 11

• 🔥 https://bugzilla.redhat.com/show_bug.cgi?id=1444774 · Exploit
• https://osv.dev/vulnerability/openSUSE-SU-2024:10735-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2017-7476 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-7476 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2017-7476 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:10694-1 · Vendor Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=1445185 · Patch
• https://suse.com/security/cve/CVE-2017-7476 · Note
• https://suse.com/security/cve/CVE-2007-5795 · Note
• http://securityfocus.com/bid/98098 · Note
• http://git.savannah.gnu.org/gitweb/?p=gnulib.git%3Ba=commit%3Bh=94e01571507835ff59dd8ce2a0b56a4b566965a4 · Note