CVE-2015-7758

Publication date 8 January 2016

Last updated 24 July 2024

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

3.3 · Low

Score breakdown

Gummi 0.6.5 allows local users to write to arbitrary files via a symlink attack on a temporary dot file that uses the name of an existing file and a (1) .aux, (2) .log, (3) .out, (4) .pdf, or (5) .toc extension for the file name, as demonstrated by .thesis.tex.aux.

From the Ubuntu Security Team

It was discovered that Gummi created unsafe, predictable filenames in /tmp, resulting in a race condition. An attacker could use this vulnerability to overwrite arbitrary files.

Status

Package Ubuntu Release Status
gummi 18.10 cosmic
Not affected
18.04 LTS bionic
Not affected
17.10 artful Ignored end of life
17.04 zesty Ignored end of life
16.10 yakkety Ignored end of life
16.04 LTS xenial
Not affected
15.10 wily Ignored end of life
15.04 vivid Ignored end of life
14.04 LTS trusty
Fixed 0.6.5-3+deb8u2build0.14.04.1
12.04 LTS precise Ignored end of life

Severity score breakdown

Parameter Value
Base score 3.3 · Low
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact Low
Availability impact None
Vector CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N