Buffer overflow in Gdraheim Zziplib
CVE-2017-5976
Heap-based buffer overflow in the zzip_mem_entry_extra_block function in memdisk.c in zziplib 0.13.62, 0.13.61, 0.13.60, 0.13.59, 0.13.58, 0.13.57, 0.13.56 allows remote attackers to cause a denial of service (crash) via a crafted ZIP file.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.020 (80.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000
Affected products
- Gdraheim Zziplib — versions 0.13.56, 0.13.57, 0.13.58
- Debian Linux — versions 8.0, 9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.openwall.com/lists/oss-security/2017/02/14/3 (mailing-list, Mailing List, Third Party Advisory)
- www.securityfocus.com/bid/96268 (VDB Entry, Third Party Advisory, vdb-entry)
- blogs.gentoo.org/ago/2017/02/09/zziplib-heap-based-buffer-overflow-in-zzip_mem_… (Exploit, Third Party Advisory)
- www.debian.org/security/2017/dsa-3878 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-5976?
- CVE-2017-5976 is a medium-severity vulnerability in Gdraheim Zziplib, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2017-03-01.
- How severe is CVE-2017-5976?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2017-5976 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.