CVE-2017-13687

moderate-risk
Published 2017-09-14

The Cisco HDLC parser in tcpdump before 4.9.2 has a buffer over-read in print-chdlc.c:chdlc_print().

Do I need to act?

~
1.4% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
+
Fix available
Upgrade to: 866c60236c41cea1e1654c8a071897292f64be49, a1eefe986065846b6c69dbc09afd9fa1a02c4a3d
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (4)

Affected Vendors

Debian Tcpdump

References (16)

Third Party Advisory http://www.debian.org/security/2017/dsa-3971
Third Party Advisory http://www.securitytracker.com/id/1039307
Vendor Advisory http://www.tcpdump.org/tcpdump-changes.txt
Third Party Advisory https://access.redhat.com/errata/RHEA-2018:0705
Issue Tracking https://github.com/the-tcpdump-group/tcpdump/commit/866c60236c41cea1e1654c8a0718...
Issue Tracking https://github.com/the-tcpdump-group/tcpdump/commit/a1eefe986065846b6c69dbc09afd...
Third Party Advisory https://security.gentoo.org/glsa/201709-23
Third Party Advisory https://support.apple.com/HT208221
Third Party Advisory http://www.debian.org/security/2017/dsa-3971
Third Party Advisory http://www.securitytracker.com/id/1039307
Vendor Advisory http://www.tcpdump.org/tcpdump-changes.txt
Third Party Advisory https://access.redhat.com/errata/RHEA-2018:0705
Issue Tracking https://github.com/the-tcpdump-group/tcpdump/commit/866c60236c41cea1e1654c8a0718...
Issue Tracking https://github.com/the-tcpdump-group/tcpdump/commit/a1eefe986065846b6c69dbc09afd...
Third Party Advisory https://security.gentoo.org/glsa/201709-23
Third Party Advisory https://support.apple.com/HT208221
46
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 4/34 · Minimal
Exposure 10/34 · Low