PT-2021-21809 · Unknown · Refined Theme+2

Published 2021-11-30 · Updated 2021-12-01 · CVE-2021-3769

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions pygmalion theme (affected versions not specified) pygmalion-virtualenv theme (affected versions not specified) refined theme (affected versions not specified)

Description The vulnerability exists in the pygmalion, pygmalion-virtualenv, and refined themes. These themes use print -P on user-supplied strings to print them to the terminal, specifically on git information such as the branch name. If the branch has a specially-crafted name, the vulnerability can be exploited.

Recommendations For the pygmalion theme, consider disabling the use of print -P on user-supplied strings until a patch is available. For the pygmalion-virtualenv theme, consider disabling the use of print -P on user-supplied strings until a patch is available. For the refined theme, consider disabling the use of print -P on user-supplied strings until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

CVE-2021-3769

Affected Products

Pygmalion Theme

Pygmalion-Virtualenv Theme

Refined Theme

References · 4

• https://github.com/ohmyzsh/ohmyzsh/commit/b3ba9978 · Patch
• https://osv.dev/vulnerability/CVE-2021-3769 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-3769 · Security Note
• https://t.me/cibsecurity/33077 · Telegram Post