Bug 1610934 (CVE-2018-14680) - CVE-2018-14680 libmspack: off-by-one error in the CHM chunk number validity checks
Summary: CVE-2018-14680 libmspack: off-by-one error in the CHM chunk number validity c...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2018-14680
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1610936 1610937 1610938 1611552
Blocks: 1610945
TreeView+ depends on / blocked
 
Reported: 2018-08-01 16:27 UTC by Laura Pardo
Modified: 2019-09-29 14:46 UTC (History)
2 users (show)

Fixed In Version: libmspack 0.7alpha
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Clone Of:
Environment:
Last Closed: 2019-06-10 10:34:51 UTC


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System ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2018:3327 None None None 2018-10-30 07:59:47 UTC

Description Laura Pardo 2018-08-01 16:27:17 UTC
An issue was discovered in mspack/chmd.c in libmspack before 0.7alpha. It does not reject blank CHM filenames.


References:
http://openwall.com/lists/oss-security/2018/07/28/1
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=904801

Upstream Patch:
https://github.com/kyz/libmspack/commit/72e70a921f0f07fee748aec2274b30784e1d312a

Comment 1 Laura Pardo 2018-08-01 16:28:12 UTC
Created libmspack tracking bugs for this issue:

Affects: epel-all [bug 1610938]
Affects: fedora-all [bug 1610936]

Comment 3 Stefan Cornelius 2018-08-02 10:38:46 UTC
Statement:

This issue affects the versions of libmspack as shipped with Red Hat Enterprise Linux 7.

Comment 5 errata-xmlrpc 2018-10-30 07:59:41 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2018:3327 https://access.redhat.com/errata/RHSA-2018:3327


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