Ubuntu.comUB:CVE-2020-27507CVE-2020-27507
9.8 High
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
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.001 Low
EPSS
Percentile
50.1%
The Kamailio SIP before 5.5.0 server mishandles INVITE requests with
duplicated fields and overlength tag, leading to a buffer overflow that
crashes the server or possibly have unspecified other impact.
References
github.com/kamailio/kamailio/commit/ada3701d22b1fd579f06b4f54fa695fa988e685f
github.com/kamailio/kamailio/issues/2503
launchpad.net/bugs/cve/CVE-2020-27507
nvd.nist.gov/vuln/detail/CVE-2020-27507
security-tracker.debian.org/tracker/CVE-2020-27507
ubuntu.com/security/notices/USN-6022-1
www.cve.org/CVERecord?id=CVE-2020-27507
Related
9.8 High
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
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.001 Low
EPSS
Percentile
50.1%