CVE-2021-28651

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-28651
An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to a buffer-management bug, it allows a denial of service. When resolving a request with the urn: scheme, the parser leaks a small amount of memory. However, there is an unspecified attack methodology that can easily trigger a large amount of memory consumption.

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References
Link Resource
http://seclists.org/fulldisclosure/2023/Oct/14 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2023/10/11/3 Mailing List Third Party Advisory
https://bugs.squid-cache.org/show_bug.cgi?id=5104 Exploit Issue Tracking Vendor Advisory
https://github.com/squid-cache/squid/security/advisories/GHSA-ch36-9jhx-phm4 Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/06/msg00014.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LSQ3U54ZCNXR44QRPW3AV2VCS6K3TKCF/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T4EPIWUZDJAXADDHVOPKRBTQHPBR6H66/
https://security.netapp.com/advisory/ntap-20210716-0007/ Third Party Advisory
https://www.debian.org/security/2021/dsa-4924 Third Party Advisory
http://seclists.org/fulldisclosure/2023/Oct/14 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2023/10/11/3 Mailing List Third Party Advisory
https://bugs.squid-cache.org/show_bug.cgi?id=5104 Exploit Issue Tracking Vendor Advisory
https://github.com/squid-cache/squid/security/advisories/GHSA-ch36-9jhx-phm4 Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/06/msg00014.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LSQ3U54ZCNXR44QRPW3AV2VCS6K3TKCF/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T4EPIWUZDJAXADDHVOPKRBTQHPBR6H66/
https://security.netapp.com/advisory/ntap-20210716-0007/ Third Party Advisory
https://www.debian.org/security/2021/dsa-4924 Third Party Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*
cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Configuration 3 (hide)

OR cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*

Configuration 4 (hide)

cpe:2.3:a:netapp:cloud_manager:-:*:*:*:*:*:*:*
History

21 Nov 2024, 06:00

Type Values Removed Values Added
References () http://seclists.org/fulldisclosure/2023/Oct/14 - Mailing List, Third Party Advisory () http://seclists.org/fulldisclosure/2023/Oct/14 - Mailing List, Third Party Advisory
References () http://www.openwall.com/lists/oss-security/2023/10/11/3 - Mailing List, Third Party Advisory () http://www.openwall.com/lists/oss-security/2023/10/11/3 - Mailing List, Third Party Advisory
References () https://bugs.squid-cache.org/show_bug.cgi?id=5104 - Exploit, Issue Tracking, Vendor Advisory () https://bugs.squid-cache.org/show_bug.cgi?id=5104 - Exploit, Issue Tracking, Vendor Advisory
References () https://github.com/squid-cache/squid/security/advisories/GHSA-ch36-9jhx-phm4 - Patch, Third Party Advisory () https://github.com/squid-cache/squid/security/advisories/GHSA-ch36-9jhx-phm4 - Patch, Third Party Advisory
References () https://lists.debian.org/debian-lts-announce/2021/06/msg00014.html - Mailing List, Third Party Advisory () https://lists.debian.org/debian-lts-announce/2021/06/msg00014.html - Mailing List, Third Party Advisory
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LSQ3U54ZCNXR44QRPW3AV2VCS6K3TKCF/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LSQ3U54ZCNXR44QRPW3AV2VCS6K3TKCF/ -
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T4EPIWUZDJAXADDHVOPKRBTQHPBR6H66/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T4EPIWUZDJAXADDHVOPKRBTQHPBR6H66/ -
References () https://security.netapp.com/advisory/ntap-20210716-0007/ - Third Party Advisory () https://security.netapp.com/advisory/ntap-20210716-0007/ - Third Party Advisory
References () https://www.debian.org/security/2021/dsa-4924 - Third Party Advisory () https://www.debian.org/security/2021/dsa-4924 - Third Party Advisory

14 Sep 2021, 17:07

Type Values Removed Values Added
References
  • (CONFIRM) https://security.netapp.com/advisory/ntap-20210716-0007/ - Third Party Advisory
References (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LSQ3U54ZCNXR44QRPW3AV2VCS6K3TKCF/ - (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LSQ3U54ZCNXR44QRPW3AV2VCS6K3TKCF/ - Mailing List, Third Party Advisory
References (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T4EPIWUZDJAXADDHVOPKRBTQHPBR6H66/ - (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T4EPIWUZDJAXADDHVOPKRBTQHPBR6H66/ - Mailing List, Third Party Advisory
References (MLIST) https://lists.debian.org/debian-lts-announce/2021/06/msg00014.html - (MLIST) https://lists.debian.org/debian-lts-announce/2021/06/msg00014.html - Mailing List, Third Party Advisory
CWE CWE-400 CWE-401
CPE cpe:2.3:a:netapp:cloud_manager:-:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

14 Jun 2021, 09:15

Type Values Removed Values Added
References
  • (MLIST) https://lists.debian.org/debian-lts-announce/2021/06/msg00014.html -

11 Jun 2021, 03:15

Type Values Removed Values Added
References
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T4EPIWUZDJAXADDHVOPKRBTQHPBR6H66/ -
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LSQ3U54ZCNXR44QRPW3AV2VCS6K3TKCF/ -

09 Jun 2021, 16:40

Type Values Removed Values Added
CPE cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
References (MISC) https://github.com/squid-cache/squid/security/advisories/GHSA-ch36-9jhx-phm4 - (MISC) https://github.com/squid-cache/squid/security/advisories/GHSA-ch36-9jhx-phm4 - Patch, Third Party Advisory
References (DEBIAN) https://www.debian.org/security/2021/dsa-4924 - (DEBIAN) https://www.debian.org/security/2021/dsa-4924 - Third Party Advisory
References (MISC) https://bugs.squid-cache.org/show_bug.cgi?id=5104 - (MISC) https://bugs.squid-cache.org/show_bug.cgi?id=5104 - Exploit, Issue Tracking, Vendor Advisory
CVSS v2 : unknown
v3 : unknown 		v2 : 5.0
v3 : 7.5
CWE CWE-400

02 Jun 2021, 12:15

Type Values Removed Values Added
References
  • (DEBIAN) https://www.debian.org/security/2021/dsa-4924 -

27 May 2021, 12:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-05-27 12:15

Updated : 2024-11-21 06:00

NVD link : CVE-2021-28651

Mitre link : CVE-2021-28651

CVE.ORG link : CVE-2021-28651

JSON object : View

Products Affected

squid-cache

  • squid

debian

  • debian_linux

netapp

  • cloud_manager

fedoraproject

  • fedora
CWE
CWE-401

Missing Release of Memory after Effective Lifetime