Medium severity · published Nov 25, 2018
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
5.5
CVSS
2.6%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.6% · higher than 85% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TC
Tcpdump · Tcpdump
4.9.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-19519
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-19519
Third Party Advisory
http://www.securityfocus.com/bid/106098
access.redhat.com
https://access.redhat.com/errata/RHSA-2019:3976
Exploit
https://github.com/zyingp/temp/blob/master/tcpdump.md
kb.pulsesecure.net
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44516
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/62XY42U6HY3H2APR5EHNWCZ7SAQNMMJN/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNYXF3IY2X65IOD422SA6EQUULSGW7FN/
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