CVE-2018-18585: Null Pointer Dereference
First published: Mon Oct 22 2018(Updated: )
chmd_read_headers in mspack/chmd.c in libmspack before 0.8alpha accepts a filename that has '\0' as its first or second character (such as the "/\0" name).
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/libmspack | <0.8 | 0.8 |
| redhat/cabextract | <1.8 | 1.8 |
| Kyzer Libmspack | =0.3-alpha | |
| Kyzer Libmspack | =0.4-alpha | |
| Kyzer Libmspack | =0.5-alpha | |
| Kyzer Libmspack | =0.6-alpha | |
| Kyzer Libmspack | =0.7-alpha | |
| Debian Debian Linux | =8.0 | |
| Redhat Enterprise Linux Desktop | =7.0 | |
| Redhat Enterprise Linux Server | =7.0 | |
| Redhat Enterprise Linux Workstation | =7.0 | |
| Canonical Ubuntu Linux | =12.04 | |
| Canonical Ubuntu Linux | =14.04 | |
| Canonical Ubuntu Linux | =16.04 | |
| Canonical Ubuntu Linux | =18.04 | |
| Canonical Ubuntu Linux | =18.10 | |
| SUSE Linux Enterprise Server | =11-sp3 | |
| SUSE Linux Enterprise Server | =12-ga | |
| SUSE Linux Enterprise Server | =12-sp1 | |
| SUSE Linux Enterprise Server | =12-sp2 | |
| Starwindsoftware Starwind Virtual San Vsphere | ||
| ubuntu/clamav | <0.100.2+dfsg-1ubuntu0.14.04.2 | 0.100.2+dfsg-1ubuntu0.14.04.2 |
| ubuntu/libmspack | <0.6-3ubuntu0.2 | 0.6-3ubuntu0.2 |
| ubuntu/libmspack | <0.7-1ubuntu0.1 | 0.7-1ubuntu0.1 |
| ubuntu/libmspack | <0.5-1ubuntu0.16.04.3 | 0.5-1ubuntu0.16.04.3 |
| debian/libmspack | 0.10.1-2 0.11-1 0.11-1.1 |
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Reference Links
- https://bugs.debian.org/911637
- https://github.com/kyz/libmspack/commit/8759da8db6ec9e866cb8eb143313f397f925bb4f
- https://www.openwall.com/lists/oss-security/2018/10/22/1
- https://lists.debian.org/debian-lts-announce/2018/10/msg00017.html
- https://usn.ubuntu.com/3814-1/
- https://usn.ubuntu.com/3814-2/
- https://usn.ubuntu.com/3814-3/
- https://security.gentoo.org/glsa/201903-20
- https://access.redhat.com/errata/RHSA-2019:2049
- https://www.starwindsoftware.com/security/sw-20181213-0002/
- https://launchpad.net/bugs/cve/CVE-2018-18585
- https://security-tracker.debian.org/tracker/CVE-2018-18585
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1644222
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1644221
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1644219
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1644218
- https://access.redhat.com/security/cve/cve-2018-18585
- https://bugzilla.redhat.com/show_bug.cgi?id=1644215
- https://ubuntu.com/security/notices/USN-3814-1
- https://ubuntu.com/security/notices/USN-3814-2
- https://ubuntu.com/security/notices/USN-3814-3
- https://www.cve.org/CVERecord?id=CVE-2018-18585
- https://nvd.nist.gov/vuln/detail/CVE-2018-18585
- https://ubuntu.com/security/CVE-2018-18585
Frequently Asked Questions
What is CVE-2018-18585?
CVE-2018-18585 is a vulnerability in the chmd_read_headers function in libmspack before version 0.8alpha.
What is the severity of CVE-2018-18585?
The severity of CVE-2018-18585 is medium, with a CVSS score of 4.3.
Which software packages are affected by CVE-2018-18585?
The affected software packages are libmspack before 0.8alpha and clamav.
How can I fix CVE-2018-18585 for libmspack?
To fix CVE-2018-18585 for libmspack, update to version 0.8alpha or later.
How can I fix CVE-2018-18585 for clamav?
To fix CVE-2018-18585 for clamav, update to version 0.100.2+dfsg-1ubuntu0.14.04.2 or later.
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