Advisories

libyang through 6.4.13 Uninitialized Pointer Free in NETCONF RPC Parser

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Severity
medium
Date
Affecting
  • libyang <= 6.4.13

CWE
  • CWE-824 Access of Uninitialized Pointer
CVSS
6.0
CVSS V4 Vector
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Credit
HaiND from the Post and Telecommunication Institute of Technology, Mar (mardgez13)
Description
libyang through 6.4.13 contains an uninitialized pointer free vulnerability in lydxml_env_netconf_rpc() in src/parser_xml.c when parsing NETCONF rpc action envelopes. Peers with a NETCONF session can send an action element containing non-whitespace text via lyd_parse_op() to crash servers like netopeer2 or corrupt the heap.

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