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Advisories

SIPp through 3.7.7 Buffer Overflow via Oversized SIP Header Content

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severity
high
date
Affecting

  • sipp <= 3.7.7

CWE
  • CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CVSS
8.7
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Credit
Tristan Madani
Description
SIPp through 3.7.7 contains a buffer overflow vulnerability in the get_header() function in src/sip_parser.cpp when processing SIP messages with header content exceeding 20,490 bytes. Unauthenticated remote attackers can send crafted SIP messages with oversized headers to overflow the static buffer and crash the process.

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