CVE-2018-14681

Description

An issue was discovered in kwajd_read_headers in mspack/kwajd.c in libmspack before 0.7alpha. Bad KWAJ file header extensions could cause a one or two byte overwrite.

Category

8.8
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 4.01% Top 15%
Vendor Advisory ubuntu.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory gentoo.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://usn.ubuntu.com/3728-3/ third party advisory vendor advisory
https://www.debian.org/security/2018/dsa-4260 third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2018/08/msg00007.html third party advisory mailing list
https://bugs.debian.org/904799 patch mailing list third party advisory issue tracking
http://www.openwall.com/lists/oss-security/2018/07/26/1 third party advisory mailing list
https://access.redhat.com/errata/RHSA-2018:3505 third party advisory vendor advisory
https://usn.ubuntu.com/3789-2/ third party advisory vendor advisory
https://usn.ubuntu.com/3728-2/ third party advisory vendor advisory
https://github.com/kyz/libmspack/commit/0b0ef9344255ff5acfac6b7af09198ac9c9756c8 third party advisory patch
http://www.securitytracker.com/id/1041410 third party advisory vdb entry
https://usn.ubuntu.com/3728-1/ third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2018:3327 third party advisory vendor advisory
https://security.gentoo.org/glsa/201903-20 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-14681?
CVE-2018-14681 has been scored as a high severity vulnerability.
How to fix CVE-2018-14681?
To fix CVE-2018-14681, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-14681 being actively exploited in the wild?
It is possible that CVE-2018-14681 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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