Home/CVE/The FontManager._get_nix_font_path function in formatters/img.py in Pygments 1.2.2 through 2.0.2 allows remote attackers
CVE

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

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.

CRITICAL · CVSS 9 EPSS 0.07449
Act now
  • EPSS percentile: top 8% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
▤

Affected Products & Versions

2
canonical ubuntu linuxall versions
pygmentsall versions
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
PyPI pygments CRITICAL fixed in 2.1
⚠

Public Exploits & PoCs

1
pocpacketstormsecurity.com · Pygments-FontManager._get_nix_font_path-Shell-Injection.htmlpacketstormsecurity.com
▣

Scoring & Timeline

9
CRITICAL · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD08 Jan 2016 · 08:59 PM
CVSS VectorCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
⚑

Vendor Advisories

1
usnUSN-2862-1
🔗

References & Sources

8
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://seclists.org/fulldisclosure/2015/Oct/4
http://www.debian.org/security/2016/dsa-3445
http://www.openwall.com/lists/oss-security/2015/12/14/17
http://www.openwall.com/lists/oss-security/2015/12/14/6
http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html
http://www.ubuntu.com/usn/USN-2862-1
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