CVE-2017-7476 Information

Description

Gnulib before 2017-04-26 has a heap-based buffer overflow with the TZ environment variable. The error is in the save_abbr function in time_rz.c.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=commit;h=94e01571507835ff59dd8ce2a0b56a4b566965a4 http://www.securityfocus.com/bid/98098 https://bugzilla.redhat.com/show_bug.cgi?id=1444774 https://bugzilla.redhat.com/show_bug.cgi?id=1445185 https://security-tracker.debian.org/tracker/CVE-2017-7476

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8