CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
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
EPSS
Percentile
79.0%
Debian Security Advisory DSA-5438-1 [email protected]
https://www.debian.org/security/ Markus Koschany
June 22, 2023 https://www.debian.org/security/faq
Package : asterisk
CVE ID : CVE-2023-27585
Debian Bug : 1036697
A flaw was found in Asterisk, an Open Source Private Branch Exchange. A
buffer overflow vulnerability affects users that use PJSIP DNS resolver.
This vulnerability is related to CVE-2022-24793. The difference is that
this issue is in parsing the query record parse_query()
, while the issue
in CVE-2022-24793 is in parse_rr()
. A workaround is to disable DNS
resolution in PJSIP config (by setting nameserver_count
to zero) or use
an external resolver implementation instead.
For the oldstable distribution (bullseye), this problem has been fixed
in version 1:16.28.0~dfsg-0+deb11u3.
We recommend that you upgrade your asterisk packages.
For the detailed security status of asterisk please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/asterisk
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
Mailing list: [email protected]
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
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
EPSS
Percentile
79.0%