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Ubuntu Security Notice USN-5641-1
Ubuntu Security Notice 5641-1 - Mikhail Evdokimov discovered that Squid incorrectly handled cache manager ACLs. A remote attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS. It was discovered that Squid incorrectly handled SSPI and SMB authentication. A remote attacker could use this issue to cause Squid to crash, resulting in a denial of service, or possibly obtain sensitive information.
==========================================================================Ubuntu Security Notice USN-5641-1September 26, 2022squid, squid3 vulnerabilities==========================================================================A security issue affects these releases of Ubuntu and its derivatives:- Ubuntu 22.04 LTS- Ubuntu 20.04 LTS- Ubuntu 18.04 LTSSummary:Several security issues were fixed in Squid.Software Description:- squid: Web proxy cache server- squid3: Web proxy cache serverDetails:Mikhail Evdokimov discovered that Squid incorrectly handled cache managerACLs. A remote attacker could possibly use this issue to obtain sensitiveinformation. This issue only affected Ubuntu 20.04 LTS, and Ubuntu 22.04LTS. (CVE-2022-41317)It was discovered that Squid incorrectly handled SSPI and SMBauthentication. A remote attacker could use this issue to cause Squid tocrash, resulting in a denial of service, or possibly obtain sensitiveinformation. (CVE-2022-41318)Update instructions:The problem can be corrected by updating your system to the followingpackage versions:Ubuntu 22.04 LTS: squid 5.2-1ubuntu4.2Ubuntu 20.04 LTS: squid 4.10-1ubuntu1.7Ubuntu 18.04 LTS: squid 3.5.27-1ubuntu1.14In general, a standard system update will make all the necessary changes.References: https://ubuntu.com/security/notices/USN-5641-1 CVE-2022-41317, CVE-2022-41318Package Information: https://launchpad.net/ubuntu/+source/squid/5.2-1ubuntu4.2 https://launchpad.net/ubuntu/+source/squid/4.10-1ubuntu1.7 https://launchpad.net/ubuntu/+source/squid3/3.5.27-1ubuntu1.14Related news
A buffer over-read was discovered in libntlmauth in Squid 2.5 through 5.6. Due to incorrect integer-overflow protection, the SSPI and SMB authentication helpers are vulnerable to reading unintended memory locations. In some configurations, cleartext credentials from these locations are sent to a client. This is fixed in 5.7.
An issue was discovered in Squid 4.9 through 4.17 and 5.0.6 through 5.6. Due to inconsistent handling of internal URIs, there can be Exposure of Sensitive Information about clients using the proxy via an HTTPS request to an internal cache manager URL. This is fixed in 5.7.
Debian Linux Security Advisory 5258-1 - Several vulnerabilities were discovered in Squid, a fully featured web proxy cache, which could result in exposure of sensitive information in the cache manager (CVE-2022-41317), or denial of service or information disclosure if Squid is configured to negotiate authentication with the SSPI and SMB authentication helpers (CVE-2022-41318).
Red Hat Security Advisory 2022-6839-01 - Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects.
An update for squid is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2022-41318: squid: buffer-over-read in SSPI and SMB authentication
Red Hat Security Advisory 2022-6815-01 - Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects.
Red Hat Security Advisory 2022-6777-01 - Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects.
Red Hat Security Advisory 2022-6776-01 - Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects.
Red Hat Security Advisory 2022-6774-01 - Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects.
Red Hat Security Advisory 2022-6775-01 - Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects.
An update for squid is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2022-41318: squid: buffer-over-read in SSPI and SMB authentication
An update for the squid:4 module is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2022-41318: squid: buffer-over-read in SSPI and SMB authentication
An update for the squid:4 module is now available for Red Hat Enterprise Linux 8.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2022-41318: squid: buffer-over-read in SSPI and SMB authentication
An update for the squid:4 module is now available for Red Hat Enterprise Linux 8.4 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2022-41318: squid: buffer-over-read in SSPI and SMB authentication
An update for the squid:4 module is now available for Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2022-41318: squid: buffer-over-read in SSPI and SMB authentication