CVE-2019-18932 Information

Description

log.c in Squid Analysis Report Generator (sarg) through 2.3.11 allows local privilege escalation. By default it uses a fixed temporary directory /tmp/sarg. As the root user sarg creates this directory or reuses an existing one in an insecure manner. An attacker can pre-create the directory and place symlinks in it (after winning a /tmp/sarg/denied.int_unsort race condition). The outcome will be corrupted or newly created files in privileged file system locations.

CVSS Vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00051.html http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00063.html http://www.openwall.com/lists/oss-security/2020/01/20/6 http://www.openwall.com/lists/oss-security/2020/01/27/1 https://bugzilla.suse.com/show_bug.cgi?id=1150554 https://seclists.org/oss-sec/2020/q1/23 https://security.gentoo.org/glsa/202007-32 https://sourceforge.net/projects/sarg/

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.0