Arch Linux Security Advisory ASA-201803-24
=========================================
Severity: Medium
Date    : 2018-03-25
CVE-ID  : CVE-2017-15953 CVE-2017-15954 CVE-2017-15955
Package : bchunk
Type    : denial of service
Remote  : No
Link    : https://security.archlinux.org/AVG-475

Summary
======
The package bchunk before version 1.2.2-4 is vulnerable to denial of
service.

Resolution
=========
Upgrade to 1.2.2-4.

# pacman -Syu "bchunk>=1.2.2-4"

The problems have been fixed upstream in version 1.2.2.

Workaround
=========
None.

Description
==========
- CVE-2017-15953 (denial of service)

bchunk (related to BinChunker) 1.2.0 and 1.2.1 is vulnerable to a heap-based buffer overflow and crash when processing a malformed CUE (.cue)
file.

- CVE-2017-15954 (denial of service)

bchunk (related to BinChunker) 1.2.0 and 1.2.1 is vulnerable to a heap-based buffer overflow (with a resultant invalid free) and crash when
processing a malformed CUE (.cue) file.

- CVE-2017-15955 (denial of service)

bchunk (related to BinChunker) 1.2.0 and 1.2.1 is vulnerable to an
"Access violation near NULL on destination operand" and crash when
processing a malformed CUE (.cue) file.

Impact
=====
An attacker can cause a denial of service via a crafted CUE file.

References
=========
https://github.com/extramaster/bchunk/issues/2
https://github.com/extramaster/bchunk/issues/3
https://github.com/extramaster/bchunk/issues/4
https://security.archlinux.org/CVE-2017-15953
https://security.archlinux.org/CVE-2017-15954
https://security.archlinux.org/CVE-2017-15955