What is CVE-2017-5202?

CVE-2017-5202 is a critical-severity software vulnerability (Memory corruption) with a CVSS score of 9.8. The ISO CLNS parser in tcpdump before 4.9.0 has a buffer overflow in print-isoclns.c:clnp_print().

Is CVE-2017-5202 being actively exploited?

It is not currently in CISA's KEV catalog. Its EPSS exploitation probability is 4%.

What products does CVE-2017-5202 affect?

Tracked products affected include Debian. Check the version you run to see whether it is affected.

How do I fix CVE-2017-5202?

Apply the vendor fix promptly. Upgrade affected products to a fixed version.

← All products

CVE-2017-5202

CRITICAL severity · CVSS 9.8 · Memory corruption

9.8CVSS CRITICAL

Summary

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

Impact & exploitability

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionNone

Confidentiality impactHigh

Integrity impactHigh

Availability impactHigh

Exploit probability (EPSS)4%

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products we track (1)

Debian

Recommendation

Apply the vendor fix promptly. Open any affected product above for its exact safe version.

Additional information

NVD record
http://www.debian.org/security/2017/dsa-3775Advisory
http://www.securityfocus.com/bid/95852Advisory
http://www.securitytracker.com/id/1037755Advisory
https://access.redhat.com/errata/RHSA-2017:1871Advisory
https://security.gentoo.org/glsa/201702-30Advisory
https://www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg1494526.html