Home/CVE/The ISO CLNS parser in tcpdump before 4.9.0 has a buffer overflow in print-isoclns.c:clnp_print().
CVE

CVE-2017-5202

The ISO CLNS parser in tcpdump before 4.9.0 has a buffer overflow in print-isoclns.c:clnp_print().

The ISO CLNS parser in tcpdump before 4.9.0 has a buffer overflow in print-isoclns.c:clnp_print().

CRITICAL · CVSS 9.8 EPSS 0.01017
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
▤

Affected Products & Versions

8
tcpdump< 4.9.0
debian linuxall versions
redhat enterprise linux desktopall versions
redhat enterprise linux serverall versions
redhat enterprise linux server ausall versions
redhat enterprise linux server eusall versions
redhat enterprise linux server tusall versions
redhat enterprise linux workstationall versions
▣

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 NVD28 Jan 2017 · 01:59 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-2017:1110-1
suse-csafSUSE-SU-2017:0656-1
usnUSN-3205-1
rhsaRHSA-2017:1871Moderate
🔗

References & Sources

5
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-3775Third Party Advisory
http://www.securityfocus.com/bid/95852Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1037755Third Party AdvisoryVDB Entry
https://security.gentoo.org/glsa/201702-30Third Party Advisory
https://www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg1494526.html
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