| Description: | Summary:
The remote host is missing an update for the 'squid' package(s) announced via the USN-6500-1 advisory.
Vulnerability Insight:
Joshua Rogers discovered that Squid incorrectly handled validating certain
SSL certificates. A remote attacker could possibly use this issue to cause
Squid to crash, resulting in a denial of service. This issue only affected
Ubuntu 22.04 LTS, Ubuntu 23.04, and Ubuntu 23.10. (CVE-2023-46724)
Joshua Rogers discovered that Squid incorrectly handled the Gopher
protocol. A remote attacker could possibly use this issue to cause Squid to
crash, resulting in a denial of service. Gopher support has been disabled
in this update. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04
LTS, and Ubuntu 23.04. (CVE-2023-46728)
Keran Mu and Jianjun Chen discovered that Squid incorrectly handled the
chunked decoder. A remote attacker could possibly use this issue to perform
HTTP request smuggling attacks. (CVE-2023-46846)
Joshua Rogers discovered that Squid incorrectly handled HTTP Digest
Authentication. A remote attacker could possibly use this issue to cause
Squid to crash, resulting in a denial of service. (CVE-2023-46847)
Joshua Rogers discovered that Squid incorrectly handled certain FTP urls.
A remote attacker could possibly use this issue to cause Squid to crash,
resulting in a denial of service. (CVE-2023-46848)
Affected Software/OS:
'squid' package(s) on Ubuntu 20.04, Ubuntu 22.04, Ubuntu 23.04, Ubuntu 23.10.
Solution:
Please install the updated package(s).
CVSS Score:
7.8
CVSS Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:C
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