CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
89.6%
PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. In affected versions if the incoming STUN message contains an ERROR-CODE attribute, the header length is not checked before performing a subtraction operation, potentially resulting in an integer underflow scenario. This issue affects all users that use STUN. A malicious actor located within the victimβs network may forge and send a specially crafted UDP (STUN) message that could remotely execute arbitrary code on the victimβs machine. Users are advised to upgrade as soon as possible. There are no known workarounds.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 11 | all | asterisk | <Β 1:16.28.0~dfsg-0+deb11u1 | asterisk_1:16.28.0~dfsg-0+deb11u1_all.deb |
Debian | 999 | all | asterisk | <Β 1:18.10.1~dfsg+~cs6.10.40431411-1 | asterisk_1:18.10.1~dfsg+~cs6.10.40431411-1_all.deb |
Debian | 12 | all | ring | <=Β 20230206.0~ds2-1.1 | ring_20230206.0~ds2-1.1_all.deb |
Debian | 11 | all | ring | <=Β 20210112.2.b757bac~ds1-1 | ring_20210112.2.b757bac~ds1-1_all.deb |
Debian | 999 | all | ring | <Β 20230922.0~ds1-1 | ring_20230922.0~ds1-1_all.deb |
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
89.6%