VulnerabilityModified
CVE-2015-4467
The chmd_init_decomp function in chmd.c in libmspack before 0.5 does not properly validate the reset interval, which allows remote attackers to cause a denial of service (divide-by-zero error and application crash) via a crafted CHM file.
MEDIUM 4.3EPSS 1.46%
Does this matter?
Lower severity and a low EPSS score (1.46%). Track it; it rarely justifies an emergency change on its own.
Description
The chmd_init_decomp function in chmd.c in libmspack before 0.5 does not properly validate the reset interval, which allows remote attackers to cause a denial of service (divide-by-zero error and application crash) via a crafted CHM file.
- CVSS 2.0
- 4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P
- EPSS
- 1.46% probability · 72th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-189
- Affected
- libmspack project/libmspack
- Source
- cve@mitre.org
References
- http://anonscm.debian.org/cgit/collab-maint/libmspack.git/diff/debian/patches/fix-division-by-zero.patch?id=a25bb144795e526748b57884daf365732c7e2295
- http://openwall.com/lists/oss-security/2015/02/03/11
- http://www.securityfocus.com/bid/72488
- https://bugs.debian.org/774725Exploit
- http://anonscm.debian.org/cgit/collab-maint/libmspack.git/diff/debian/patches/fix-division-by-zero.patch?id=a25bb144795e526748b57884daf365732c7e2295
- http://openwall.com/lists/oss-security/2015/02/03/11
- http://www.securityfocus.com/bid/72488
- https://bugs.debian.org/774725Exploit
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.