Home/CVE/The ISO IS-IS parser in tcpdump before 4.9.2 has a buffer over-read in print-isoclns.c, several functions.
CVE

CVE-2017-13026

The ISO IS-IS parser in tcpdump before 4.9.2 has a buffer over-read in print-isoclns.c, several functions.

The ISO IS-IS parser in tcpdump before 4.9.2 has a buffer over-read in print-isoclns.c, several functions.

CRITICAL · CVSS 9.8 EPSS 0.0136
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-125Out-of-bounds Read
▤

Affected Products & Versions

1
tcpdump<= 4.9.1
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD14 Sep 2017 · 06:29 AM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

5
suse-csafopenSUSE-SU-2024:11425-1
suse-csafSUSE-SU-2017:2854-1
usnUSN-3415-2
usnUSN-3415-1
rhsaRHEA-2018:0705Low
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.debian.org/security/2017/dsa-3971
http://www.securitytracker.com/id/1039307Third Party AdvisoryVDB Entry
http://www.tcpdump.org/tcpdump-changes.txtVendor Advisory
https://github.com/the-tcpdump-group/tcpdump/commit/b20e1639dbac84b3fcb393858521c13ad47a9d70Issue TrackingPatchThird Party Advisory
https://security.gentoo.org/glsa/201709-23
https://support.apple.com/HT208221
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