Vulnerability Monitor

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CVE-2019-15297

res_pjsip_t38 in Sangoma Asterisk 15.x before 15.7.4 and 16.x before 16.5.1 allows an attacker to trigger a crash by sending a declined stream in a response to a T.38 re-invite initiated by Asterisk. The crash occurs because of a NULL session media object dereference.

Published

2019-09-09T21:15:10.827

Last Modified

2024-11-21T04:28:24.290

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

8.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-476

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	digium	asterisk	≤ 15.7.3	Yes
Application	digium	asterisk	≤ 16.5.0	Yes

References

http://downloads.asterisk.org/pub/security/AST-2019-004.html Patch, Vendor Advisory ([email protected])
http://packetstormsecurity.com/files/154371/Asterisk-Project-Security-Advisory-AST-2019-004.html Patch, Third Party Advisory, VDB Entry ([email protected])
http://packetstormsecurity.com/files/161671/Asterisk-Project-Security-Advisory-AST-2021-006.html ([email protected])
http://seclists.org/fulldisclosure/2021/Mar/5 ([email protected])
http://downloads.asterisk.org/pub/security/AST-2019-004.html Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://packetstormsecurity.com/files/154371/Asterisk-Project-Security-Advisory-AST-2019-004.html Patch, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://packetstormsecurity.com/files/161671/Asterisk-Project-Security-Advisory-AST-2021-006.html (af854a3a-2127-422b-91ae-364da2661108)
http://seclists.org/fulldisclosure/2021/Mar/5 (af854a3a-2127-422b-91ae-364da2661108)