[3.7] libmspack: Multiple vulnerabilities (CVE-2018-14679, CVE-2018-14680, CVE-2018-14681, CVE-2018-14682)
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