CVE-2023-22741 — Classic Buffer Overflow in Sofia-sip
Severity
9.8CRITICALNVD
OSV7.5
EPSS
1.4%
top 19.61%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJan 19
Latest updateMar 7
Description
Sofia-SIP is an open-source SIP User-Agent library, compliant with the IETF RFC3261 specification. In affected versions Sofia-SIP **lacks both message length and attributes length checks** when it handles STUN packets, leading to controllable heap-over-flow. For example, in stun_parse_attribute(), after we get the attribute's type and length value, the length will be used directly to copy from the heap, regardless of the message's left size. Since network users control the overflowed length, and…
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9