Squid Web Proxy up to 4.13/5.0.4 Config Setting uri_whitespace request smuggling
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.7 | $0-$5k | 0.00 |
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.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.0VulDB 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: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Request smugglingCWE: CWE-444
ATT&CK: Unknown
Local: No
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: squid-cache.org
Timeline
09/03/2020 🔍03/19/2021 🔍
03/19/2021 🔍
04/03/2021 🔍
Sources
Vendor: squid-cache.orgAdvisory: github.com
Status: Confirmed
CVE: CVE-2020-25097 (🔍)
Entry
Created: 03/19/2021 11:39Updated: 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: 🔍
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