Medium severity · published Mar 28, 2019
CVE-2019-7251
An Integer Signedness issue (for a return code) in the res_pjsip_sdp_rtp module in Digium Asterisk versions 15.7.1 and earlier and 16.1.1 and earlier allows remote authenticated…
6.5
CVSS
3.6%
EPSS
No
On KEV
Description
An Integer Signedness issue (for a return code) in the res_pjsip_sdp_rtp module in Digium Asterisk versions 15.7.1 and earlier and 16.1.1 and earlier allows remote authenticated users to crash Asterisk via a specially crafted SDP protocol violation.
CVSS vector
CVSS:3.0/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)3.6% · higher than 90% 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 before 15.7.2; 16.0.0 before 16.2.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-7251
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-7251
Patch
https://downloads.asterisk.org/pub/security/AST-2019-001.html
Issue Tracking
https://issues.asterisk.org/jira/browse/ASTERISK-28260
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