Vulnerability Details CVE-2018-14679
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).
Exploit prediction scoring system (EPSS) score
EPSS Score 0.009
EPSS Ranking 74.8%
CVSS Severity
CVSS v3 Score 6.5
CVSS v2 Score 4.3
References
- http://www.openwall.com/lists/oss-security/2018/07/26/1
- 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://github.com/kyz/libmspack/commit/72e70a921f0f07fee748aec2274b30784e1d312a
- 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
- http://www.openwall.com/lists/oss-security/2018/07/26/1
- 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://github.com/kyz/libmspack/commit/72e70a921f0f07fee748aec2274b30784e1d312a
- 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
Products affected by CVE-2018-14679
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cpe:2.3:a:cabextract:libmspack:0.0.20060920
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cpe:2.3:a:cabextract:libmspack:0.3
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cpe:2.3:a:cabextract:libmspack:0.4
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cpe:2.3:a:cabextract:libmspack:0.5
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cpe:2.3:a:cabextract:libmspack:0.6
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cpe:2.3:a:cabextract_project:cabextract:0.1
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cpe:2.3:a:cabextract_project:cabextract:0.2
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cpe:2.3:a:cabextract_project:cabextract:0.3
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cpe:2.3:a:cabextract_project:cabextract:0.4
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cpe:2.3:a:cabextract_project:cabextract:0.5
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cpe:2.3:a:cabextract_project:cabextract:0.6
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cpe:2.3:a:cabextract_project:cabextract:1.0
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cpe:2.3:a:cabextract_project:cabextract:1.1
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cpe:2.3:a:cabextract_project:cabextract:1.2
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cpe:2.3:a:cabextract_project:cabextract:1.3
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cpe:2.3:a:cabextract_project:cabextract:1.4
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cpe:2.3:a:cabextract_project:cabextract:1.5
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cpe:2.3:a:redhat:ansible_tower:3.3
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cpe:2.3:o:canonical:ubuntu_linux:12.04
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cpe:2.3:o:canonical:ubuntu_linux:14.04
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cpe:2.3:o:canonical:ubuntu_linux:16.04
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cpe:2.3:o:canonical:ubuntu_linux:18.04
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cpe:2.3:o:debian:debian_linux:8.0
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cpe:2.3:o:debian:debian_linux:9.0
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cpe:2.3:o:redhat:enterprise_linux_desktop:7.0
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cpe:2.3:o:redhat:enterprise_linux_server:7.0
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cpe:2.3:o:redhat:enterprise_linux_workstation:7.0