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CVE-2019-12527

UNKNOWN
Published 2019-07-11T18:10:16
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No CVSS data available

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-8x4r-gffh-rx7f

Advisory Details

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.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2019-12527
WEB https://access.redhat.com/errata/RHSA-2019:2593
WEB https://github.com/squid-cache/squid/commits/v4
WEB https://lists.fedoraproject.org/archives/list/[email protected]/message/SPXN2CLAGN5QSQBTOV5IGVLDOQSRFNTZ
WEB https://seclists.org/bugtraq/2019/Aug/42
WEB https://usn.ubuntu.com/4065-1
WEB https://www.debian.org/security/2019/dsa-4507
WEB http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00053.html
WEB http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00056.html
WEB http://www.securityfocus.com/bid/109143
WEB http://www.squid-cache.org/Versions/v4/changesets
WEB http://www.squid-cache.org/Versions/v4/changesets/squid-4-7f73e9c5d17664b882ed32590e6af310c247f320.patch

Advisory provided by GitHub Security Advisory Database. Published: May 24, 2022, Modified: February 28, 2023

References

http://www.squid-cache.org/Versions/v4/changesets/
https://github.com/squid-cache/squid/commits/v4
http://www.squid-cache.org/Versions/v4/changesets/squid-4-7f73e9c5d17664b882ed32590e6af310c247f320.patch
http://www.securityfocus.com/bid/109143
https://usn.ubuntu.com/4065-1/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SPXN2CLAGN5QSQBTOV5IGVLDOQSRFNTZ/
https://www.debian.org/security/2019/dsa-4507
https://seclists.org/bugtraq/2019/Aug/42
https://access.redhat.com/errata/RHSA-2019:2593
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00053.html
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00056.html

HackerOne Reports

Basic Authentication Heap Overflow High
jeriko_one
Internet Bug Bounty
Heap Overflow
View Report
Published: 2019-07-11T18:10:16
Last Modified: 2024-08-04T23:24:38.676Z
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