CVE-2018-14679
First published: Sat Jul 28 2018(Updated: )
An issue was discovered in mspack/chmd.c in libmspack before 0.7alpha. There is an off-by-one error in the CHM PMGI/PMGL chunk number validity checks, which could lead to denial of service (uninitialized data dereference and application crash) References: <a href="http://openwall.com/lists/oss-security/2018/07/28/1">http://openwall.com/lists/oss-security/2018/07/28/1</a> <a href="https://bugs.debian.org/904802">https://bugs.debian.org/904802</a> Upstream patch: <a href="https://github.com/kyz/libmspack/commit/72e70a921f0f07fee748aec2274b30784e1d312a">https://github.com/kyz/libmspack/commit/72e70a921f0f07fee748aec2274b30784e1d312a</a>
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cabextract Libmspack | =0.0.20060920-alpha | |
| Cabextract Libmspack | =0.3-alpha | |
| Cabextract Libmspack | =0.4-alpha | |
| Cabextract Libmspack | =0.5-alpha | |
| Cabextract Libmspack | =0.6-alpha | |
| Cabextract Project Cabextract | <=1.5 | |
| Canonical Ubuntu Linux | =12.04 | |
| Canonical Ubuntu Linux | =14.04 | |
| Canonical Ubuntu Linux | =16.04 | |
| Canonical Ubuntu Linux | =18.04 | |
| Debian Debian Linux | =8.0 | |
| Debian Debian Linux | =9.0 | |
| Redhat Ansible Tower | =3.3 | |
| Redhat Enterprise Linux Desktop | =7.0 | |
| Redhat Enterprise Linux Server | =7.0 | |
| Redhat Enterprise Linux Workstation | =7.0 | |
| redhat/libmspack | <0.7 | 0.7 |
| debian/libmspack | 0.10.1-2 0.11-1 0.11-1.1 |
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Reference Links
- http://www.openwall.com/lists/oss-security/2018/07/26/1
- https://github.com/kyz/libmspack/commit/72e70a921f0f07fee748aec2274b30784e1d312a
- https://security-tracker.debian.org/tracker/CVE-2018-14679
- https://security-tracker.debian.org/tracker/CVE-2018-14680
- https://security-tracker.debian.org/tracker/CVE-2018-14682
- https://security-tracker.debian.org/tracker/CVE-2018-14681
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=904802
- http://www.securitytracker.com/id/1041410
- https://access.redhat.com/errata/RHSA-2018:3327
- https://access.redhat.com/errata/RHSA-2018:3505
- https://bugs.debian.org/904802
- https://lists.debian.org/debian-lts-announce/2018/08/msg00007.html
- https://security.gentoo.org/glsa/201903-20
- https://usn.ubuntu.com/3728-1/
- https://usn.ubuntu.com/3728-2/
- https://usn.ubuntu.com/3728-3/
- https://usn.ubuntu.com/3789-2/
- https://www.debian.org/security/2018/dsa-4260
- https://launchpad.net/bugs/cve/CVE-2018-14679
- http://openwall.com/lists/oss-security/2018/07/28/1
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1610891
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1610932
- https://bugzilla.redhat.com/show_bug.cgi?id=1610890
- https://www.openwall.com/lists/oss-security/2018/07/26/1
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-14679
- https://nvd.nist.gov/vuln/detail/CVE-2018-14679
- https://ubuntu.com/security/CVE-2018-14679
Frequently Asked Questions
What is CVE-2018-14679?
CVE-2018-14679 is a vulnerability in libmspack, which could lead to denial of service and application crash.
What is the severity of CVE-2018-14679?
CVE-2018-14679 has a severity level of high.
How does CVE-2018-14679 affect the affected software?
CVE-2018-14679 affects the libmspack package in versions before 0.7alpha on Debian, Redhat, and Ubuntu.
How can I fix CVE-2018-14679?
To fix CVE-2018-14679, update to the recommended versions of the libmspack package on your operating system.
Where can I find more information about CVE-2018-14679?
You can find more information about CVE-2018-14679 on the following references: [Reference 1](http://www.openwall.com/lists/oss-security/2018/07/26/1), [Reference 2](http://www.securitytracker.com/id/1041410), [Reference 3](https://access.redhat.com/errata/RHSA-2018:3327).
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