[ASA-202106-40] radare2: denial of service

[Santiago Torres-Arias]

Arch Linux Security Advisory ASA-202106-40
==========================================

Severity: Low
Date    : 2021-06-15
CVE-ID  : CVE-2021-32613
Package : radare2
Type    : denial of service
Remote  : No
Link    : https://security.archlinux.org/AVG-1950

Summary
=======

The package radare2 before version 5.3.1-1 is vulnerable to denial of
service.

Resolution
==========

Upgrade to 5.3.1-1.

# pacman -Syu "radare2>=5.3.1-1"

The problem has been fixed upstream in version 5.3.1.

Workaround
==========

None.

Description
===========

In radare2 through 5.3.0 there is a double free vulnerability in the
pyc parser via a crafted file which can lead to denial of service.

Impact
======

A crafted Python bytecode file could crash the parser.

References
==========

https://bugzilla.redhat.com/show_bug.cgi?id=1959939
https://github.com/radareorg/radare2/issues/18679
https://github.com/radareorg/radare2/commit/049de62730f4954ef9a642f2eeebbca30a8eccdc
https://security.archlinux.org/CVE-2021-32613
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