CVE-2018-19519

In tcpdump 4.9.2, a stack-based buffer over-read exists in the print_prefix function of print-hncp.c via crafted packet data because of missing initialization.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.5 MEDIUM
LOCAL
LOW
NONE
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 57%
VendorProductVersion
tcpdumptcpdump
4.9.2
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
tcpdump
bullseye
unimportant
bookworm
unimportant
sid
unimportant
trixie
unimportant
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
tcpdump
eoan
not-affected
disco
ignored
bionic
Fixed 4.9.3-0ubuntu0.18.04.1
released
xenial
Fixed 4.9.3-0ubuntu0.16.04.1
released
trusty
Fixed 4.9.3-0ubuntu0.14.04.1+esm1
released
Common Weakness Enumeration
References
http://www.securityfocus.com/bid/106098
https://access.redhat.com/errata/RHSA-2019:3976
https://github.com/zyingp/temp/blob/master/tcpdump.md
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44516
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/62XY42U6HY3H2APR5EHNWCZ7SAQNMMJN/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNYXF3IY2X65IOD422SA6EQUULSGW7FN/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R2UDPOSGVJQIYC33SQBXMDXHH4QDSDMU/
https://usn.ubuntu.com/4252-1/
https://usn.ubuntu.com/4252-2/
http://www.securityfocus.com/bid/106098
https://access.redhat.com/errata/RHSA-2019:3976
https://github.com/zyingp/temp/blob/master/tcpdump.md
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44516
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/62XY42U6HY3H2APR5EHNWCZ7SAQNMMJN/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNYXF3IY2X65IOD422SA6EQUULSGW7FN/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R2UDPOSGVJQIYC33SQBXMDXHH4QDSDMU/
https://usn.ubuntu.com/4252-1/
https://usn.ubuntu.com/4252-2/