[ASA-202107-55] libpano13: arbitrary code execution

[Jonas Witschel]

Arch Linux Security Advisory ASA-202107-55
==========================================

Severity: Medium
Date    : 2021-07-21
CVE-ID  : CVE-2021-20307
Package : libpano13
Type    : arbitrary code execution
Remote  : No
Link    : https://security.archlinux.org/AVG-1774

Summary
=======

The package libpano13 before version 2.9.20-1 is vulnerable to
arbitrary code execution.

Resolution
==========

Upgrade to 2.9.20-1.

# pacman -Syu "libpano13>=2.9.20-1"

The problem has been fixed upstream in version 2.9.20.

Workaround
==========

None.

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

A format string vulnerability in panoFileOutputNamesCreate() in
libpano13 before version 2.9.20 can lead to reading and writing of
arbitrary memory values.

Impact
======

An attacker could disclose memory contents, or possibly execute
arbitrary code, by specifying a crafted output file name.

References
==========

https://bugzilla.redhat.com/show_bug.cgi?id=1946284
https://sourceforge.net/projects/panotools/files/libpano13/libpano13-2.9.20/
https://sourceforge.net/p/panotools/libpano13/ci/f02459498cb44c0087900616a7e61563d614c05f/
https://security.archlinux.org/CVE-2021-20307
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