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Mageia 8: 2022-0168 Critical: Twisted SSH And HTTP Security Flaws

mageia
Calendar Grey May 12, 2022
Dist Mageia Esm H88
Recent updates to the python-twisted packages address significant vulnerabilities, including issues related to information leakage and denial of service attacks.
CVE-2022-21712: It was discovered that Twisted incorrectly filtered HTTP headers when clients are being redirected to another origin

Summary

CVE-2022-21712: It was discovered that Twisted incorrectly filtered HTTP headers when clients are being redirected to another origin. A remote attacker could use this issue to obtain sensitive information. CVE-2022-21716: It was discovered that Twisted incorrectly processed SSH handshake data on connection establishments. A remote attacker could use this issue to cause Twisted to crash, resulting in a denial of service.
GHSA-rv6r-3f5q-9rgx The Twisted SSH client and server implementation naively accepted an infinite amount of data for the peer's SSH version identifier.
GHSA-c2jg-hw38-jrqq and CVE-2022-24801 The Twisted Web HTTP 1.1 server, located in the twisted.web.http module, parsed several HTTP request constructs more leniently than permitted by RFC 7230
GHSA-92x2-jw7w-xvvx: twisted.web.client.getPage, twisted.web.client.downladPage, and the associated implementation classes (HTTPPageGetter, HTTPPageDownloader, HTTPClientFactory, HTTPDownloader) have been removed because they do...

Read the Full Advisory

References

- https://bugs.mageia.org/show_bug.cgi?id=30067

- https://lists.suse.com/pipermail/sle-security-updates/2022-February/010263.html

- https://lists.debian.org/debian-lts-announce/2022/02/msg00021.html

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- https://lists.debian.org/debian-lts-announce/2022/03/msg00009.html

- https://ubuntu.com/security/notices/USN-5354-1

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- https://www.cve.org/CVERecord?id=CVE-2022-21712

- https://www.cve.org/CVERecord?id=CVE-2022-21716

Topics%20covered

Topics Covered

security advisory denial of service critical information disclosure mageia

Resolution

SRPMS

- 8/core/python-twisted-22.4.0-1.mga8

Severity
critical
Lowest
Low
Medium
High
Critical

Publication date: 12 May 2022
URL: https://advisories.mageia.org/MGASA-2022-0168.html
Type: security
CVE: CVE-2022-21712, CVE-2022-21716

Topics%20covered

Topics Covered

security advisory denial of service critical information disclosure mageia

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