Buffer overflow in Gdraheim Zziplib
CVE-2018-6381
In ZZIPlib 0.13.67, 0.13.66, 0.13.65, 0.13.64, 0.13.63, 0.13.62, 0.13.61, 0.13.60, 0.13.59, 0.13.58, 0.13.57 and 0.13.56 there is a segmentation fault caused by invalid memory access in the zzip_disk_fread function (zzip/mmapped.c) because the size variable is not validated against the amount of file->stored data.
Vulnerability class: Buffer Overflow
EPSS: 0.017 (74.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
Affected products
- Gdraheim Zziplib — versions 0.13.67
- Canonical Ubuntu_linux — versions 14.04, 16.04, 17.10
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- cve@mitre.org (mailing-list, x_refsource_MLIST)
- cve@mitre.org (x_refsource_MISC)
Frequently asked questions
- What is CVE-2018-6381?
- CVE-2018-6381 is a medium-severity vulnerability in Gdraheim Zziplib, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.5/10. Published 2018-01-29.
- How severe is CVE-2018-6381?
- Medium severity. CVSS v3 base score is 6.5 out of 10.