CVE-2021-34825
First published: Thu Jun 17 2021(Updated: )
Quassel through 0.13.1, when --require-ssl is enabled, launches without SSL or TLS support if a usable X.509 certificate is not found on the local system.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Quassel IRC | <=0.13.1 | |
| Fedoraproject Fedora | =33 | |
| Fedoraproject Fedora | =34 |
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Reference Links
- https://github.com/quassel/quassel/pull/581
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7ZFWRN5P2WG23MWMVAEVV3YBHGFJHDSW/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JOFTSGJUJHCA3KGQBO6OZXWU7JFKVHMJ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JOFTSGJUJHCA3KGQBO6OZXWU7JFKVHMJ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7ZFWRN5P2WG23MWMVAEVV3YBHGFJHDSW/
Frequently Asked Questions
What is the severity of CVE-2021-34825?
CVE-2021-34825 is rated as a moderate vulnerability due to the potential for unencrypted communication when SSL is required but not supported.
How do I fix CVE-2021-34825?
To fix CVE-2021-34825, ensure that a usable X.509 certificate is installed before launching Quassel with the --require-ssl option.
What systems are affected by CVE-2021-34825?
CVE-2021-34825 affects Quassel versions up to 0.13.1 and specific Fedora releases including version 33 and 34.
What happens if I run Quassel with --require-ssl but no certificate for CVE-2021-34825?
If no usable X.509 certificate is found, Quassel will launch without SSL or TLS support, exposing the communication.
Is there a workaround for CVE-2021-34825?
A temporary workaround for CVE-2021-34825 is to remove the --require-ssl flag until an appropriate certificate is deployed.
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/author
- agent/severity
- agent/references
- agent/weakness
- agent/remedy
- agent/last-modified-date
- agent/description
- agent/first-publish-date
- agent/event
- agent/source
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/quassel-irc
- canonical/quassel irc
- version/quassel irc/0.13.1
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/33
- version/fedoraproject fedora/34