High severity · published Feb 4, 2020
CVE-2020-8450
An issue was discovered in Squid before 4.10
7.3
CVSS
71.8%
EPSS
No
On KEV
Description
An issue was discovered in Squid before 4.10. Due to incorrect buffer management, a remote client can cause a buffer overflow in a Squid instance acting as a reverse proxy.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)71.8% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0; 10.0 · source: NVD
FE
Fedora · Fedoraproject
30; 31 · source: NVD
LE
Leap · Opensuse
15.1 · source: NVD
SQ
Squid · Squid-cache
before 4.10 · source: NVD
UL
Ubuntu Linux · Canonical
16.04; 18.04; 19.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-8450
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-8450
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00012.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00010.html
Vendor Advisory
http://www.squid-cache.org/Advisories/SQUID-2020_1.txt
Patch
http://www.squid-cache.org/Versions/v3/3.5/changesets/SQUID-2020_1.patch
Patch
http://www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-8e657e835965c3a011375feaa0359921c5b3e2dd.patch
Patch
http://www.squid-cache.org/Versions/v4/changesets/SQUID-2020_1.patch
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