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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).

Fixed In Version:

libmspack 0.7alpha

References:

http://www.openwall.com/lists/oss-security/2018/07/26/1
https://nvd.nist.gov/vuln/detail/CVE-2018-14679

Patch:

https://github.com/kyz/libmspack/commit/72e70a921f0f07fee748aec2274b30784e1d312a

CVE-2018-14680: An issue was discovered in mspack/chmd.c in libmspack before 0.7alpha.
It does not reject blank CHM filenames.

Fixed In Version:

libmspack 0.7alpha

References:

http://openwall.com/lists/oss-security/2018/07/28/1

Patch:

https://github.com/kyz/libmspack/commit/72e70a921f0f07fee748aec2274b30784e1d312a

CVE-2018-14681: An issue was discovered in kwajd_read_headers in mspack/kwajd.c in libmspack before 0.7alpha.
A maliciously crafted KWAJ file header extensions could cause a one or two byte overwrite.

Fixed In Version:

libmspack 0.7alpha

References:

http://www.openwall.com/lists/oss-security/2018/07/26/1
https://nvd.nist.gov/vuln/detail/CVE-2018-14681

Patch:

https://github.com/kyz/libmspack/commit/0b0ef9344255ff5acfac6b7af09198ac9c9756c8

CVE-2018-14682: An issue was discovered in mspack/chmd.c in libmspack before 0.7alpha. There is an
off-by-one error in the TOLOWER() macro for CHM decompression.

Fixed In Version:

libmspack 0.7alpha

References:

http://openwall.com/lists/oss-security/2018/07/28/1
https://nvd.nist.gov/vuln/detail/CVE-2018-14682

Patch:

https://github.com/kyz/libmspack/commit/4fd9ccaa54e1aebde1e4b95fb0163b699fd7bcc8

(from redmine: issue id 9227, created on 2018-08-10, closed on 2018-08-23)

• Relations:
  • parent #9224
• Changesets:
  • Revision c854dba4 by Natanael Copa on 2018-08-22T13:30:28Z:

main/libmspack: security upgrade to 0.7.1alpha

fixes #9227