Critical severity · published Sep 14, 2017
CVE-2017-13687
The Cisco HDLC parser in tcpdump before 4.9.2 has a buffer over-read in print-chdlc.c:chdlc_print()
9.8
CVSS
3.3%
EPSS
No
On KEV
Description
The Cisco HDLC parser in tcpdump before 4.9.2 has a buffer over-read in print-chdlc.c:chdlc_print().
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.3% · higher than 88% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0; 9.0; 10.0 · source: NVD
TC
Tcpdump · Tcpdump
through 4.9.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-13687
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-13687
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/866c60236c41cea1e1654c8a071897292f64be49
Issue Tracking
https://github.com/the-tcpdump-group/tcpdump/commit/a1eefe986065846b6c69dbc09afd9fa1a02c4a3d
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