Remote Yes

Type Denial of service

Description

The cabd_read_string function in mspack/cabd.c in libmspack 0.5alpha, as used in ClamAV before 0.99.4  and other products, allows remote attackers to cause a denial of service (stack-based buffer over-read and application crash) via a crafted CAB file.

AVG-603 libmspack 0.5alpha-1 1:0.6alpha-1 Critical Fixed

AVG-602 clamav 0.99.3-1 0.99.4-1 Critical Fixed

18 Mar 2018 ASA-201803-14 AVG-602 clamav Critical multiple issues

20 Feb 2018 ASA-201802-9 AVG-603 libmspack Critical multiple issues

https://bugzilla.clamav.net/show_bug.cgi?id=11873
https://github.com/kyz/libmspack/commit/17038206fcc384dcee6dd9e3a75f08fd3ddc6a38
https://github.com/Cisco-Talos/clamav-devel/commit/ffa31264a657618a0e40c51c01e4bfc32e244d13
https://github.com/Cisco-Talos/clamav-devel/commit/ada5f94e5cfb04e1ac2a6f383f2184753f475b96
https://github.com/hackerlib/hackerlib-vul/tree/master/clamav-vul

ClamAV uses the libmspack system library when available.