CVE-2019-12527 - CVE House
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Status published High CVE-2019-12527

An issue was discovered in Squid 4.0.23 through 4.7. When...

Vulnerability Description

An issue was discovered in Squid 4.0.23 through 4.7. When checking Basic Authentication with HttpHeader::getAuth, Squid uses a global buffer to store the decoded data. Squid does not check that the decoded length isn't greater than the buffer, leading to a heap-based buffer overflow with user controlled data.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

squid-cache

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Affected Software

squid, fedora, debian linux, ubuntu linux, enterprise linux, enterprise linux eus, enterprise linux server aus, enterprise linux server tus
Vulnerable Versions:
4.0.23, 29, 10.0, 16.04, 18.04, 19.04, 8.0, 8.1, 8.2, 8.4, 8.6

Timeline

Official Publish: July 11th, 2019
Last Modified: August 4th, 2024
Added to House: July 20th, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.