#dos

Intrasrv Simple Web Server version 1.0 suffers from a denial of service vulnerability.

Ubuntu Security Notice 6567-1 - Gaoning Pan and Xingwei Li discovered that QEMU incorrectly handled the USB xHCI controller device. A privileged guest attacker could possibly use this issue to cause QEMU to crash, leading to a denial of service. This issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. It was discovered that QEMU incorrectly handled the TCG Accelerator. A local attacker could use this issue to cause QEMU to crash, leading to a denial of service, or possibly execute arbitrary code and escalate privileges. This issue only affected Ubuntu 20.04 LTS.

**According to the CVSS metric, the privileges required is none (PR:N). What does that mean for this vulnerability?** The score is based on websites/apps that are configured to allow anonymous access without authentication. When multiple attack vectors can be used, we assign a score based on the scenario with the higher risk.

**According to the CVSS metric, privileges required is high (PR:H). What does that mean for this vulnerability?** The attacker must have access to the public encrypt key registered with the IDP(Entra ID) for successful exploitation.

**How could an attacker exploit this vulnerability?** An authenticated attacker could run a specially crafted application on a vulnerable Hyper-V guest to exploit this vulnerability which, if successful, could potentially interact with processes of another Hyper-V guest hosted on the same Hyper-V host.

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### Impact A user able to attach a file to a page can post a malformed TAR file by manipulating file modification times headers, which when parsed by Tika, could cause a denial of service issue via CPU consumption. ### Patches This vulnerability has been patched in XWiki 14.10.18, 15.5.3 and 15.8 RC1. ### Workarounds The workaround is to download [commons-compress 1.24](https://search.maven.org/remotecontent?filepath=org/apache/commons/commons-compress/1.24.0/commons-compress-1.24.0.jar) and replace the one located in XWiki `WEB-INF/lib/` folder. ### References https://jira.xwiki.org/browse/XCOMMONS-2796 ### For more information If you have any questions or comments about this advisory: * Open an issue in [Jira XWiki.org](https://jira.xwiki.org/) * Email us at [Security Mailing List](mailto:[email protected])

Femitter FTP Server version 1.03 remote denial of service exploit.

Gentoo Linux Security Advisory 202401-9 - Multiple vulnerabilities have been found in Eclipse Mosquitto which could result in denial of service. Versions greater than or equal to 2.0.17 are affected.

Gentoo Linux Security Advisory 202401-8 - Multiple vulnerabilities have been discovered in util-linux which can lead to denial of service or information disclosure. Versions greater than or equal to 2.37.4 are affected.