Vulnerability Details : 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 users to crash Asterisk via a specially crafted SDP protocol violation.
Published 2019-03-28 17:29:02
Updated 2019-04-01 18:14:50
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Overflow

Threat overview for CVE-2019-7251

Top countries where our scanners detected CVE-2019-7251
Top open port discovered on systems with this issue 80
IPs affected by CVE-2019-7251 903
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2019-7251!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2019-7251

Probability of exploitation activity in the next 30 days: 0.17%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 53 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2019-7251

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
4.0
 MEDIUM AV:N/AC:L/Au:S/C:N/I:N/A:P
8.0
2.9
 NIST
6.5
 MEDIUM CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
2.8
3.6
 NIST

CWE ids for CVE-2019-7251

  • The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2019-7251

Products affected by CVE-2019-7251

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