RCE in Pygments
CVE-2015-8557
The FontManager._get_nix_font_path function in formatters/img.py in Pygments 1.2.2 through 2.0.2 allows remote attackers to execute arbitrary commands via shell metacharacters in a font name.
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.067 (93.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Pygments — versions 1.2.2, 1.3, 1.3.1
- Canonical Ubuntu_linux — versions 12.04, 14.04, 15.04
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory)
- cve@mitre.org (x_refsource_MISC)
- cve@mitre.org (mailing-list, x_refsource_MLIST)
- cve@mitre.org (mailing-list, x_refsource_MLIST)
- cve@mitre.org (mailing-list, x_refsource_FULLDISC)
- cve@mitre.org (vendor-advisory, x_refsource_DEBIAN)
- cve@mitre.org (x_refsource_CONFIRM)
- cve@mitre.org (vendor-advisory, x_refsource_GENTOO)
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2015-8557?
- CVE-2015-8557 is a critical-severity vulnerability in Pygments, classified under OS Command Injection. CVSS score: 9.0/10. Published 2016-01-08.
- How severe is CVE-2015-8557?
- Critical severity. CVSS v3 base score is 9.0 out of 10.