High severity · published Aug 7, 2017
CVE-2017-6419
mspack/lzxd.c in libmspack 0.5alpha, as used in ClamAV 0.99.2, allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly…
7.8
CVSS
2%
EPSS
No
On KEV
Description
mspack/lzxd.c in libmspack 0.5alpha, as used in ClamAV 0.99.2, allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted CHM file.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.0% · higher than 80% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Libmspack · Libmspack Project
0.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-6419
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-6419
www.debian.org
http://www.debian.org/security/2017/dsa-3946
Issue Tracking
https://bugzilla.clamav.net/show_bug.cgi?id=11701
Third Party Advisory
https://github.com/varsleak/varsleak-vul/blob/master/clamav-vul/heap-overflow/clamav_chm_crash.md
Issue Tracking
https://github.com/vrtadmin/clamav-devel/commit/a83773682e856ad6529ba6db8d1792e6d515d7f1
lists.debian.org
https://lists.debian.org/debian-lts-announce/2018/02/msg00014.html
security.gentoo.org
https://security.gentoo.org/glsa/201804-16
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