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CVE-2015-8557

Good to know:

Date: January 8, 2016

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.

Language: Python

Severity Score

9.0

Related Resources (16)

Url: http://www.ubuntu.com/usn/USN-2862-1

Url: https://github.com/pygments/pygments

Url: https://access.redhat.com/security/cve/CVE-2015-8557

Url: http://www.debian.org/security/2016/dsa-3445

Url: https://github.com/pypa/advisory-database/tree/main/vulns/pygments/PYSEC-2016-32.yaml

Url: http://www.openwall.com/lists/oss-security/2015/12/14/17

Url: http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html

Url: http://www.openwall.com/lists/oss-security/2015/12/14/6

Url: https://github.com/pygments/pygments/commit/db6dd826f8624179e563aaded391efe824462f51

Url: http://seclists.org/fulldisclosure/2015/Oct/4

Url: https://security.gentoo.org/glsa/201612-05

Url: https://nvd.nist.gov/vuln/detail/CVE-2015-8557

Url: https://github.com/advisories/GHSA-fff8-4w9p-7v76

Url: http://packetstormsecurity.com/files/133823/Pygments-FontManager._get_nix_font_path-Shell-Injection.html

Url: https://bitbucket.org/birkenfeld/pygments-main/pull-requests/501/fix-shell-injection-in/diff

Url: https://www.mend.io/vulnerability-database/CVE-2015-8557

Severity Score

9.0

Weakness Type (CWE)

OS Command Injections

CWE-78

Top Fix

Upgrade Version

Upgrade to version 2.1

CVSS v3.1

Base Score:	9.0
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	HIGH
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	CHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	9.3
Access Vector (AV):	NETWORK
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	COMPLETE
Integrity (I):	COMPLETE
Availability (A):	COMPLETE
Additional information:

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