Squid Proxy up to 4.7.0 HttpHeader::getAuth Header memory corruption

A vulnerability, which was classified as critical, was found in Squid Proxy up to 4.7.0 (Firewall Software). Affected is the function HttpHeader::getAuth. The manipulation as part of a Header leads to a memory corruption vulnerability (Heap-based). CWE is classifying the issue as CWE-122. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 07/11/2019. The advisory is available at squid-cache.org. This vulnerability is traded as CVE-2019-12527 since 06/02/2019. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 07/12/2019).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Entries connected to this vulnerability are available at 137765 and 137767.

Type

• Firewall Software

Vendor

• Squid

Name

• Proxy

• 🔒

• 🔒

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Class: Memory corruption / Heap-based (CWE-122)
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍Recommended: no mitigation known

0-Day Time: 🔒

06/02/2019 CVE assigned
07/11/2019 +39 days Advisory disclosed
07/12/2019 +1 days VulDB entry created
07/12/2019 +0 days VulDB last updateVendor: squid-cache.org

Advisory: squid-cache.org

CVE: CVE-2019-12527 (🔒)
See also: 🔒

Created: 07/12/2019 09:26 AM
Complete: 🔍

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