Squid Web Proxy up to 4.13/5.0.4 Config Setting uri_whitespace request smuggling

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Squid Web Proxy up to 4.13/5.0.4. Affected by this vulnerability is the function uri_whitespace of the component Config Setting Handler. The manipulation results in request smuggling. This vulnerability was named CVE-2020-25097. There is no available exploit. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability classified as critical has been found in Squid Web Proxy up to 4.13/5.0.4 (Firewall Software). Affected is the function uri_whitespace of the component Config Setting Handler. The manipulation with an unknown input leads to a request smuggling vulnerability. CWE is classifying the issue as CWE-444. The product acts as an intermediary HTTP agent (such as a proxy or firewall) in the data flow between two entities such as a client and server, but it does not interpret malformed HTTP requests or responses in ways that are consistent with how the messages will be processed by those entities that are at the ultimate destination. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 03/19/2021. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2020-25097. There are known technical details, but no exploit is available.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at squid-cache.org.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.6
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Request smuggling
CWE: CWE-444
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: squid-cache.org

Timelineinfo

09/03/2020 🔍
03/19/2021 +197 days 🔍
03/19/2021 +0 days 🔍
04/03/2021 +14 days 🔍

Sourcesinfo

Vendor: squid-cache.org

Advisory: github.com
Status: Confirmed

CVE: CVE-2020-25097 (🔍)
GCVE (CVE): GCVE-0-2020-25097
GCVE (VulDB): GCVE-100-171468

Entryinfo

Created: 03/19/2021 11:39
Updated: 04/03/2021 01:07
Changes: 03/19/2021 11:39 (40), 04/03/2021 01:02 (5), 04/03/2021 01:07 (18)
Complete: 🔍
Cache ID: 216::103

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