High severity · published Mar 19, 2021
CVE-2020-25097
An issue was discovered in Squid through 4.13 and 5.x through 5.0.4
8.6
CVSS
7.3%
EPSS
No
On KEV
Description
An issue was discovered in Squid through 4.13 and 5.x through 5.0.4. Due to improper input validation, it allows a trusted client to perform HTTP Request Smuggling and access services otherwise forbidden by the security controls. This occurs for certain uri_whitespace configuration settings.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)7.3% · higher than 94% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CM
Cloud Manager · Netapp
All versions, or not specified · source: NVD
DL
Debian Linux · Debian
10.0 · source: NVD
FE
Fedora · Fedoraproject
32; 33; 34 · source: NVD
SQ
Squid · Squid-cache
2.0 before 4.14; 5.0.1 before 5.0.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-25097
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-25097
Mailing List
http://www.squid-cache.org/Versions/v4/changesets/SQUID-2020_11.patch
Mailing List
http://www.squid-cache.org/Versions/v5/changesets/SQUID-2020_11.patch
Patch
https://github.com/squid-cache/squid/security/advisories/GHSA-jvf6-h9gj-pmj6
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DJMDRVV677AJL4BZAOLCT5LMFCGBZTC2/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FBXFWKIGXPERDVQXG556LLPUOCMQGERC/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/O3RYBDMJCPYGOSURWDR3WJTE474UFT77/
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