CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
53.6%
Debian Security Advisory DSA-5368-1 [email protected]
https://www.debian.org/security/ Salvatore Bonaccorso
March 03, 2023 https://www.debian.org/security/faq
Package : libreswan
CVE ID : CVE-2023-23009
Debian Bug : 1031821
It was discovered that the libreswan IPsec implementation could be
forced into a crash/restart via malformed IKEv2 packets after peer
authentication, resulting in denial of service.
For the stable distribution (bullseye), this problem has been fixed in
version 4.3-1+deb11u3.
We recommend that you upgrade your libreswan packages.
For the detailed security status of libreswan please refer to its
security tracker page at:
https://security-tracker.debian.org/tracker/libreswan
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]
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 11 | i386 | libreswan | < 4.3-1+deb11u3 | libreswan_4.3-1+deb11u3_i386.deb |
Debian | 11 | armhf | libreswan-dbgsym | < 4.3-1+deb11u3 | libreswan-dbgsym_4.3-1+deb11u3_armhf.deb |
Debian | 11 | amd64 | libreswan | < 4.3-1+deb11u3 | libreswan_4.3-1+deb11u3_amd64.deb |
Debian | 11 | mips64el | libreswan-dbgsym | < 4.3-1+deb11u3 | libreswan-dbgsym_4.3-1+deb11u3_mips64el.deb |
Debian | 11 | arm64 | libreswan | < 4.3-1+deb11u3 | libreswan_4.3-1+deb11u3_arm64.deb |
Debian | 11 | armel | libreswan-dbgsym | < 4.3-1+deb11u3 | libreswan-dbgsym_4.3-1+deb11u3_armel.deb |
Debian | 11 | s390x | libreswan-dbgsym | < 4.3-1+deb11u3 | libreswan-dbgsym_4.3-1+deb11u3_s390x.deb |
Debian | 11 | amd64 | libreswan-dbgsym | < 4.3-1+deb11u3 | libreswan-dbgsym_4.3-1+deb11u3_amd64.deb |
Debian | 11 | mips64el | libreswan | < 4.3-1+deb11u3 | libreswan_4.3-1+deb11u3_mips64el.deb |
Debian | 11 | s390x | libreswan | < 4.3-1+deb11u3 | libreswan_4.3-1+deb11u3_s390x.deb |
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
53.6%