| Description: | Summary:
The remote host is missing an update for the 'twisted' package(s) announced via the USN-4308-1 advisory.
Vulnerability Insight:
it was discovered that Twisted incorrectly validated or sanitized certain
URIs or HTTP methods. A remote attacker could use this issue to inject
invalid characters and possibly perform header injection attacks.
(CVE-2019-12387)
It was discovered that Twisted incorrectly verified XMPP TLS certificates.
A remote attacker could possibly use this issue to perform a
machine-in-the-middle attack and obtain sensitive information. (CVE-2019-12855)
It was discovered that Twisted incorrectly handled HTTP/2 connections. A
remote attacker could possibly use this issue to cause Twisted to hang or
consume resources, leading to a denial of service. This issue only affected
Ubuntu 18.04 LTS and Ubuntu 19.10. (CVE-2019-9512, CVE-2019-9514,
CVE-2019-9515)
Jake Miller and ZeddYu Lu discovered that Twisted incorrectly handled
certain content-length headers. A remote attacker could possibly use this
issue to perform HTTP request splitting attacks. (CVE-2020-10108,
CVE-2020-10109)
Affected Software/OS:
'twisted' package(s) on Ubuntu 16.04, Ubuntu 18.04, Ubuntu 19.10.
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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