7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
34.0%
OpenSIPS is a Session Initiation Protocol (SIP) server implementation. Prior to versions 3.1.7 and 3.2.4, when the function append_hf
handles a SIP message with a malformed To header, a call to the function abort()
is performed, resulting in a crash. This is due to the following check in data_lump.c:399
in the function anchor_lump
. An attacker abusing this vulnerability will crash OpenSIPS leading to Denial of Service. It affects configurations containing functions that make use of the affected code, such as the function append_hf
. This issue has been fixed in versions 3.1.7 and 3.2.4.
CPE | Name | Operator | Version |
---|---|---|---|
opensips | eq | 2.1-alpha1 | |
opensips | eq | 1.11.0 | |
opensips | eq | 2.1-rc1 | |
opensips | eq | 2.1-alpha2 | |
opensips | eq | 2.1-alpha3 |
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
34.0%