PT-2020-7602 · Canonical · Ubuntu Ui Toolkit

Olivier Tilloy + 1 · Published 2020-09-10 · Updated 2020-09-16 · CVE-2014-1420

Positive Technologies (AI Summary)

CVSS v3.1

3.8

Low

Base vector

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

Name of the Vulnerable Software and Affected Versions Ubuntu UI Toolkit versions prior to 1.1.1188+14.10.20140813.4-0ubuntu1

Description The issue concerns the StateSaver component in Ubuntu UI Toolkit, which serializes data to tmp/ files. This could allow an attacker to expose potentially sensitive data. Additionally, StateSaver opens files without the O EXCL flag, making it possible for an attacker to launch a symlink attack. However, this risk is partially mitigated by Ubuntu's restrictions on symlinks and hardlinks.

Recommendations For versions prior to 1.1.1188+14.10.20140813.4-0ubuntu1, update to version 1.1.1188+14.10.20140813.4-0ubuntu1 or later to resolve the issue. As a temporary workaround, consider restricting access to the tmp/ files used by StateSaver to minimize the risk of exploitation.

Fix

Deserialization of Untrusted Data

Link Following

Weakness Enumeration

CWE-502

CWE-59

Related Identifiers

CVE-2014-1420

Affected Products

Ubuntu Ui Toolkit

References · 4

• https://launchpad.net/bugs/1348241 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2014-1420 · Security Note
• https://t.me/cibsecurity/14608 · Telegram Post
• http://bazaar.launchpad.net/~ubuntu-sdk-team/ubuntu-ui-toolkit/staging/revision/1182 · Vendor Advisory, Patch