Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2015-8557

Severity CVSS v4.0:
Pending analysis
Type:
CWE-78 OS Command Injections
Publication date:
08/01/2016
Last modified:
12/04/2025

Description

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.

Impact

Vector 3.x
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.00 CRITICAL
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

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

Base Score 3.x
9.00
Severity 3.x
CRITICAL
Vector 2.0
AV:N/AC:M/Au:N/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 9.30 HIGH
Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete

Base Score 2.0
9.30
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
cpe:2.3:a:pygments:pygments:1.2.2:*:*:*:*:*:*:*
cpe:2.3:a:pygments:pygments:1.3:*:*:*:*:*:*:*
cpe:2.3:a:pygments:pygments:1.3.1:*:*:*:*:*:*:*
cpe:2.3:a:pygments:pygments:1.4:*:*:*:*:*:*:*
cpe:2.3:a:pygments:pygments:1.5:*:*:*:*:*:*:*
cpe:2.3:a:pygments:pygments:1.6:*:*:*:*:*:*:*
cpe:2.3:a:pygments:pygments:1.6:rc1:*:*:*:*:*:*
cpe:2.3:a:pygments:pygments:2.0:*:*:*:*:*:*:*
cpe:2.3:a:pygments:pygments:2.0:rc1:*:*:*:*:*:*
cpe:2.3:a:pygments:pygments:2.0.1:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools