CVE-2017-12997

The LLDP parser in tcpdump before 4.9.2 could enter an infinite loop due to a bug in print-lldp.c:lldp_private_8021_print().
Infinite Loop
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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CISA-ADPADP
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 80%
VendorProductVersion
tcpdumptcpdump
𝑥
≤ 4.9.1
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
tcpdump
bullseye
4.99.0-2+deb11u1
fixed
bookworm
4.99.3-1
fixed
sid
4.99.5-1
fixed
trixie
4.99.5-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
tcpdump
zesty
Fixed 4.9.2-0ubuntu0.17.04.2
released
xenial
Fixed 4.9.2-0ubuntu0.16.04.1
released
trusty
Fixed 4.9.2-0ubuntu0.14.04.1
released
Common Weakness Enumeration
References
http://www.debian.org/security/2017/dsa-3971
http://www.securityfocus.com/bid/100914
http://www.securitytracker.com/id/1039307
http://www.tcpdump.org/tcpdump-changes.txt
https://access.redhat.com/errata/RHEA-2018:0705
https://github.com/the-tcpdump-group/tcpdump/commit/34cec721d39c76be1e0a600829a7b17bdfb832b6
https://security.gentoo.org/glsa/201709-23
https://support.apple.com/HT208221
http://www.debian.org/security/2017/dsa-3971
http://www.securityfocus.com/bid/100914
http://www.securitytracker.com/id/1039307
http://www.tcpdump.org/tcpdump-changes.txt
https://access.redhat.com/errata/RHEA-2018:0705
https://github.com/the-tcpdump-group/tcpdump/commit/34cec721d39c76be1e0a600829a7b17bdfb832b6
https://security.gentoo.org/glsa/201709-23
https://support.apple.com/HT208221