Vulnerability CVE-2019-1010305
Published: 2019-07-15

Description:
libmspack 0.9.1alpha is affected by: Buffer Overflow. The impact is: Information Disclosure. The component is: function chmd_read_headers() in libmspack(file libmspack/mspack/chmd.c). The attack vector is: the victim must open a specially crafted chm file. The fixed version is: after commit 2f084136cfe0d05e5bf5703f3e83c6d955234b4d.

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Kyzer -> Libmspack 
Fedoraproject -> Fedora 
Canonical -> Ubuntu linux 

 References:
https://github.com/kyz/libmspack/commit/2f084136cfe0d05e5bf5703f3e83c6d955234b4d
https://github.com/kyz/libmspack/issues/27
https://lists.debian.org/debian-lts-announce/2019/08/msg00028.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IXWNEY4CJBLPRKV6LG7FQUPD6WVZYBTB/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/S2QJTUAGP22YY7453MHGTFN4YQE5HJBR/
https://usn.ubuntu.com/4066-1/
https://usn.ubuntu.com/4066-2/
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