Out-of-bounds Read in Tcpdump
CVE-2017-12896
The ISAKMP parser in tcpdump before 4.9.2 has a buffer over-read in print-isakmp.c:isakmp_rfc3948_print().
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.033 (88.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 88.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.033 · newest: 0.033 · change: 0.000
Affected products
- Tcpdump
- Debian Linux — versions 9.0, 10.0
- Red Hat Enterprise Linux Desktop — versions 7.0
- Red Hat Enterprise Linux Server — versions 7.0
- Red Hat Enterprise Linux Server Aus — versions 7.6, 7.7
Weakness classification (CWE)
References
- security.gentoo.org/glsa/201709-23 (vendor-advisory, Third Party Advisory)
- support.apple.com/HT208221 (Third Party Advisory)
- www.debian.org/security/2017/dsa-3971 (vendor-advisory, Third Party Advisory)
- www.securitytracker.com/id/1039307 (VDB Entry, Third Party Advisory, vdb-entry)
- github.com/the-tcpdump-group/tcpdump/commit/f76e7feb41a4327d2b0978449bbdafe98d4… (Patch, Third Party Advisory, Issue Tracking)
- github.com/the-tcpdump-group/tcpdump/commit/4e430c6b0d8b7e77c7abca7e7afb0c3e727… (Third Party Advisory, Issue Tracking)
- www.tcpdump.org/tcpdump-changes.txt (Vendor Advisory)
- access.redhat.com/errata/RHEA-2018:0705 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-12896?
- CVE-2017-12896 is a critical-severity vulnerability in Tcpdump, classified under Out-of-bounds Read. CVSS score: 9.8/10. Published 2017-09-14.
- How severe is CVE-2017-12896?
- Critical severity. CVSS v3 base score is 9.8 out of 10.