CWE
330
Advisory Published
Updated

CVE-2022-30295

First published: Fri May 06 2022(Updated: )

uClibc-ng through 1.0.40 and uClibc through 0.9.33.2 use predictable DNS transaction IDs that may lead to DNS cache poisoning. This is related to a reset of a value to 0x2.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Uclibc Uclibc<=0.9.33.2
Uclibc-ng Project Uclibc-ng<=1.0.40

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Frequently Asked Questions

  • What is the severity of CVE-2022-30295?

    CVE-2022-30295 is considered to be a high-severity vulnerability due to its potential for DNS cache poisoning.

  • How do I fix CVE-2022-30295?

    To fix CVE-2022-30295, you should update uClibc-ng to version 1.0.41 or higher, or uClibc to version 0.9.33.3 or higher.

  • What software is affected by CVE-2022-30295?

    CVE-2022-30295 affects uClibc-ng versions up to and including 1.0.40 and uClibc versions up to and including 0.9.33.2.

  • What kind of attack can exploit CVE-2022-30295?

    CVE-2022-30295 can be exploited to conduct DNS cache poisoning attacks, which may lead to redirects or spoofing.

  • Is there any workaround for CVE-2022-30295?

    Currently, the best mitigation for CVE-2022-30295 is to patch the affected versions of uClibc or uClibc-ng.

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