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.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2015-8557 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.
| Base Score | 5.1 |
|---|---|
| Base Metrics | AV:N/AC:H/Au:N/C:P/I:P/A:P |
| Access Vector | Network |
| Access Complexity | High |
| Authentication | None |
| Confidentiality Impact | Partial |
| Integrity Impact | Partial |
| Availability Impact | Partial |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
| Platform | Package | State |
|---|---|---|
| Red Hat Software Collections for Red Hat Enterprise Linux | python33-python-pygments | Will not fix |
| Red Hat Software Collections for Red Hat Enterprise Linux | python27-python-pygments | Will not fix |
| Red Hat Software Collections for Red Hat Enterprise Linux | rh-python34-python-pygments | Will not fix |
| Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7 | python-pygments | Will not fix |
| Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7 | python-pygments | Will not fix |
| Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) | python-pygments | Will not fix |
| Red Hat Enterprise Linux 7 | python-pygments | Will not fix |
| Red Hat Enterprise Linux 6 | python-pygments | Will not fix |
| Red Hat Ceph Storage 1.2 | python-pygments | Will not fix |
Vulmon