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Gentoo Linux Security Advisory                           GLSA 202408-27
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: AFLplusplus: Arbitrary Code Execution
     Date: August 11, 2024
     Bugs: #897924
       ID: 202408-27

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Synopsis
=======
A vulnerability has been discovered in AFLplusplus, which can lead to
arbitrary code execution via an untrusted CWD.

Background
=========
The fuzzer afl++ is afl with community patches, qemu 5.1 upgrade,
collision-free coverage, enhanced laf-intel & redqueen, AFLfast++ power
schedules, MOpt mutators, unicorn_mode, and a lot more!

Affected packages
================
Package                    Vulnerable    Unaffected
-------------------------  ------------  ------------
app-forensics/aflplusplus  < 4.06c       >= 4.06c

Description
==========
In AFL++ 4.05c, the CmpLog component uses the current working directory
to resolve and execute unprefixed fuzzing targets, allowing code
execution.

Impact
=====
In AFL++ 4.05c, the CmpLog component uses the current working directory
to resolve and execute unprefixed fuzzing targets, allowing code
execution.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All AFLplusplus users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=app-forensics/aflplusplus-4.06c"

References
=========
[ 1 ] CVE-2023-26266
      https://nvd.nist.gov/vuln/detail/CVE-2023-26266

Availability
===========
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

 https://security.gentoo.org/glsa/202408-27

Concerns?
========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
======
Copyright 2024 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5