CVE-2018-19519 Information

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

Reference

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@lists.fedoraproject.org/message/62XY42U6HY3H2APR5EHNWCZ7SAQNMMJN/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FNYXF3IY2X65IOD422SA6EQUULSGW7FN/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/R2UDPOSGVJQIYC33SQBXMDXHH4QDSDMU/ https://usn.ubuntu.com/4252-1/ https://usn.ubuntu.com/4252-2/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

5.5