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ubuntuUbuntuUSN-4356-1
HistoryMay 13, 2020 - 12:00 a.m.

Squid vulnerabilities

2020-05-1300:00:00
ubuntu.com
54

9 High

AI Score

Confidence

Low

0.138 Low

EPSS

Percentile

95.6%

Releases

  • Ubuntu 20.04 LTS
  • Ubuntu 19.10
  • Ubuntu 18.04 ESM
  • Ubuntu 16.04 ESM

Packages

  • squid - Web proxy cache server
  • squid3 - Web proxy cache server

Details

Jeriko One discovered that Squid incorrectly handled certain Edge Side
Includes (ESI) responses. A malicious remote server could cause Squid to
crash, possibly poison the cache, or possibly execute arbitrary code.
(CVE-2019-12519, CVE-2019-12521)

It was discovered that Squid incorrectly handled the hostname parameter to
cachemgr.cgi when certain browsers are used. A remote attacker could
possibly use this issue to inject HTML or invalid characters in the
hostname parameter. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04
LTS, and Ubuntu 19.10. (CVE-2019-18860)

Clément Berthaux and Florian Guilbert discovered that Squid incorrectly
handled Digest Authentication nonce values. A remote attacker could
use this issue to replay nonce values, or possibly execute arbitrary code.
(CVE-2020-11945)

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