Medium severity · published Oct 23, 2018
CVE-2018-18585
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)
4.3
CVSS
3%
EPSS
No
On KEV
Description
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).
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.0% · higher than 87% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0 · source: NVD
EL
Enterprise Linux Desktop · Redhat
7.0 · source: NVD
EL
Enterprise Linux Server · Redhat
7.0 · source: NVD
EL
Enterprise Linux Workstation · Redhat
7.0 · source: NVD
LI
Libmspack · Kyzer
0.3; 0.4; 0.5; 0.6; 0.7 · source: NVD
LE
Linux Enterprise Server · Suse
11; 12; 12; 12 · source: NVD
SV
Starwind Virtual San · Starwindsoftware
All versions, or not specified · source: NVD
UL
Ubuntu Linux · Canonical
12.04; 14.04; 16.04; 18.04; 18.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-18585
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-18585
Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2049
Issue Tracking
https://bugs.debian.org/911637
Exploit
https://github.com/kyz/libmspack/commit/8759da8db6ec9e866cb8eb143313f397f925bb4f
Mailing List
https://lists.debian.org/debian-lts-announce/2018/10/msg00017.html
Third Party Advisory
https://security.gentoo.org/glsa/201903-20
Third Party Advisory
https://usn.ubuntu.com/3814-1/
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