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AUSCERT External Security Bulletin Redistribution
ESB-2019.2620.2
USN-4059-1: Squid vulnerabilities
18 July 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: Squid
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Cross-site Scripting -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2019-13345 CVE-2018-19132
Reference: ESB-2019.2609
Original Bulletin:
https://usn.ubuntu.com/4059-1/
Revision History: July 18 2019: This update provides the corresponding update for Ubuntu 12.04 ESM.
July 16 2019: Initial Release
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USN-4059-1: Squid vulnerabilities
15 July 2019
squid, squid3 vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 19.04
o Ubuntu 18.04 LTS
o Ubuntu 16.04 LTS
Summary
Several security issues were fixed in Squid.
Software Description
o squid - Web proxy cache server
o squid3 - Web proxy cache server
Details
It was discovered that Squid incorrectly handled certain SNMP packets. A remote
attacker could possibly use this issue to cause memory consumption, leading to
a denial of service. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04
LTS. (CVE-2018-19132)
It was discovered that Squid incorrectly handled the cachemgr.cgi web module. A
remote attacker could possibly use this issue to conduct cross-site scripting
(XSS) attacks. (CVE-2019-13345)
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 19.04
squid - 4.4-1ubuntu2.1
Ubuntu 18.04 LTS
squid3 - 3.5.27-1ubuntu1.2
Ubuntu 16.04 LTS
squid3 - 3.5.12-1ubuntu7.7
To update your system, please follow these instructions: https://
wiki.ubuntu.com/Security/Upgrades .
In general, a standard system update will make all the necessary changes.
References
o CVE-2018-19132
o CVE-2019-13345
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USN-4059-2: Squid vulnerabilities
17 July 2019
squid3 vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 12.04 ESM
Summary
Several security issues were fixed in Squid.
Software Description
o squid3 - Web proxy cache server
Details
USN-4059-1 and USN-3557-1 fixed several vulnerabilities in Squid. This update
provides the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
Louis Dion-Marcil discovered that Squid incorrectly handled certain Edge Side
Includes (ESI) responses. A malicious remote server could possibly cause Squid
to crash, resulting in a denial of service. (CVE-2018-1000024)
Louis Dion-Marcil discovered that Squid incorrectly handled certain Edge Side
Includes (ESI) responses. A malicious remote server could possibly cause Squid
to crash, resulting in a denial of service. (CVE-2018-1000027)
It was discovered that Squid incorrectly handled the cachemgr.cgi web module. A
remote attacker could possibly use this issue to conduct cross-site scripting
(XSS) attacks. (CVE-2019-13345)
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 12.04 ESM
squid3 - 3.1.19-1ubuntu3.12.04.9
To update your system, please follow these instructions: https://
wiki.ubuntu.com/Security/Upgrades .
In general, a standard system update will make all the necessary changes.
References
o USN-4059-1
o CVE-2018-1000024
o CVE-2018-1000027
o CVE-2019-13345
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