High severity · published Feb 4, 2020
CVE-2020-8449
An issue was discovered in Squid before 4.10
7.5
CVSS
8.3%
EPSS
No
On KEV
Description
An issue was discovered in Squid before 4.10. Due to incorrect input validation, it can interpret crafted HTTP requests in unexpected ways to access server resources prohibited by earlier security filters.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)8.3% · higher than 95% 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-2020-8449
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-8449
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
Patch
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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