7.5

CVE-2020-24606

Squid before 4.13 and 5.x before 5.0.4 allows a trusted peer to perform Denial of Service by consuming all available CPU cycles during handling of a crafted Cache Digest response message. This only occurs when cache_peer is used with the cache digests feature. The problem exists because peerDigestHandleReply() livelocking in peer_digest.cc mishandles EOF.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Squid-cache ≫ Squid Version >= 3.0 < 4.13
Squid-cache ≫ Squid Version >= 5.0.1 < 5.0.4
Canonical ≫ Ubuntu Linux Version 16.04 SwEdition lts
Canonical ≫ Ubuntu Linux Version 18.04 SwEdition lts
Canonical ≫ Ubuntu Linux Version 20.04 SwEdition lts
Debian ≫ Debian Linux Version 9.0
Debian ≫ Debian Linux Version 10.0
Fedoraproject ≫ Fedora Version 31
Fedoraproject ≫ Fedora Version 32
Fedoraproject ≫ Fedora Version 33
Opensuse ≫ Leap Version 15.1
Opensuse ≫ Leap Version 15.2
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 5.16% 0.914
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NIST 7.1 8.6 6.9
AV:N/AC:M/Au:N/C:N/I:N/A:C
MITRE 8.6 3.9 4
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CWE-667 Improper Locking

The product does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors.

http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00012.html
Third Party Advisory
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00017.html
Third Party Advisory
Mailing List
https://lists.debian.org/debian-lts-announce/2020/10/msg00005.html
Third Party Advisory
Mailing List
https://usn.ubuntu.com/4551-1/
Third Party Advisory
http://www.squid-cache.org/Versions/v4/changesets/SQUID-2020_9.patch
Patch
Vendor Advisory
https://github.com/squid-cache/squid/security/advisories/GHSA-vvj7-xjgq-g2jg
Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BE6FKUN7IGTIR2MEEMWYDT7N5EJJLZI2/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BMTFLVB7GLRF2CKGFPZ4G4R5DIIPHWI3/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HJJDI7JQFGQLVNCKMVY64LAFMKERAOK7/
https://security.netapp.com/advisory/ntap-20210219-0007/
Third Party Advisory
https://security.netapp.com/advisory/ntap-20210226-0006/
Third Party Advisory
https://security.netapp.com/advisory/ntap-20210226-0007/
Broken Link
https://usn.ubuntu.com/4477-1/
Third Party Advisory
https://www.debian.org/security/2020/dsa-4751
Third Party Advisory