Medium severity · published Sep 9, 2019
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…
6.5
CVSS
3.4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.4% · higher than 89% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AS
Asterisk · Digium
15.0.0 through 15.7.3; 16.0.0 through 16.5.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-15297
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-15297
Patch
http://downloads.asterisk.org/pub/security/AST-2019-004.html
Patch
http://packetstormsecurity.com/files/154371/Asterisk-Project-Security-Advisory-AST-2019-004.html
packetstormsecurity.com
http://packetstormsecurity.com/files/161671/Asterisk-Project-Security-Advisory-AST-2021-006.html
seclists.org
http://seclists.org/fulldisclosure/2021/Mar/5
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