9.0
CRITICAL
CVE-2015-8557
Pygments FontManager JavaScript Injection Vulnerability
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.

INFO

Published Date :

Jan. 8, 2016, 8:59 p.m.

Last Modified :

July 1, 2017, 1:29 a.m.

Remotely Exploitable :

Yes !

Impact Score :

6.0

Exploitability Score :

2.2
Affected Products

The following products are affected by CVE-2015-8557 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Canonical ubuntu_linux
1 Pygments pygments

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2015-8557 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2015-8557 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Jul. 01, 2017

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/201612-05 [No Types Assigned]
  • CVE Modified by [email protected]

    Dec. 07, 2016

    Action Type Old Value New Value
    Added Reference http://www.debian.org/security/2016/dsa-3445 [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 15, 2016

    Action Type Old Value New Value
    Added Reference http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html
  • Modified Analysis by [email protected]

    Jan. 13, 2016

    Action Type Old Value New Value
    Added CPE Configuration Configuration 1 OR *cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* Configuration 2 OR *cpe:2.3:a:pygments:pygments:2.0.1:*:*:*:*:*:*:* *cpe:2.3:a:pygments:pygments:2.0:*:*:*:*:*:*:* *cpe:2.3:a:pygments:pygments:2.0:rc1:*:*:*:*:*:* *cpe:2.3:a:pygments:pygments:1.6:*:*:*:*:*:*:* *cpe:2.3:a:pygments:pygments:1.6:rc1:*:*:*:*:*:* *cpe:2.3:a:pygments:pygments:1.4:*:*:*:*:*:*:* *cpe:2.3:a:pygments:pygments:1.5:*:*:*:*:*:*:* *cpe:2.3:a:pygments:pygments:1.3.1:*:*:*:*:*:*:* *cpe:2.3:a:pygments:pygments:1.3:*:*:*:*:*:*:* *cpe:2.3:a:pygments:pygments:1.2.2:*:*:*:*:*:*:*
    Added CVSS V2 (AV:N/AC:M/Au:N/C:C/I:C/A:C)
    Added CVSS V3 AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
    Changed Reference Type https://bitbucket.org/birkenfeld/pygments-main/pull-requests/501/fix-shell-injection-in/diff No Types Assigned https://bitbucket.org/birkenfeld/pygments-main/pull-requests/501/fix-shell-injection-in/diff Advisory
    Added CWE CWE-78
  • Initial Analysis by [email protected]

    Jan. 13, 2016

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Jan. 13, 2016

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2015-8557 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

1.48 }} -0.02%

score

0.85128

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability