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CVE-2019-7251

Date: March 28, 2019

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.

Language: C

Severity Score

Related Resources (7)

https://security.alpinelinux.org/vuln/CVE-2019-7251
https://issues.asterisk.org/jira/browse/ASTERISK-28260
https://nvd.nist.gov/vuln/detail/CVE-2019-7251
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-7251
https://downloads.asterisk.org/pub/security/AST-2019-001.html
https://security-tracker.debian.org/tracker/CVE-2019-7251
https://www.mend.io/vulnerability-database/CVE-2019-7251

Severity Score

Weakness Type (CWE)

Integer Overflow or Wraparound

CWE-190

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): SINGLE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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