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Vulnerability Details : CVE-2022-42324

Oxenstored 32->31 bit integer truncation issues Integers in Ocaml are 63 or 31 bits of signed precision. The Ocaml Xenbus library takes a C uint32_t out of the ring and casts it directly to an Ocaml integer. In 64-bit Ocaml builds this is fine, but in 32-bit builds, it truncates off the most significant bit, and then creates unsigned/signed confusion in the remainder. This in turn can feed a negative value into logic not expecting a negative value, resulting in unexpected exceptions being thrown. The unexpected exception is not handled suitably, creating a busy-loop trying (and failing) to take the bad packet out of the xenstore ring.
Publish Date : 2022-11-01 Last Update Date : 2022-12-09
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- CVSS Scores & Vulnerability Types

CVSS Score
0.0
Confidentiality Impact ???
Integrity Impact ???
Availability Impact ???
Access Complexity ???
Authentication ???
Gained Access None
Vulnerability Type(s) Overflow
CWE ID 119

- Products Affected By CVE-2022-42324

# Product Type Vendor Product Version Update Edition Language
1 OS Debian Debian Linux 11.0 * * * Version Details Vulnerabilities
2 OS Fedoraproject Fedora 35 * * * Version Details Vulnerabilities
3 OS Fedoraproject Fedora 36 * * * Version Details Vulnerabilities
4 OS Fedoraproject Fedora 37 * * * Version Details Vulnerabilities
5 OS XEN XEN * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Debian Debian Linux 1
Fedoraproject Fedora 3
XEN XEN 1

- References For CVE-2022-42324

https://lists.fedoraproject.org/archives/list/[email protected]/message/ZLI2NPNEH7CNJO3VZGQNOI4M4EWLNKPZ/
FEDORA FEDORA-2022-07438e12df
http://www.openwall.com/lists/oss-security/2022/11/01/10
MLIST [oss-security] 20221101 Xen Security Advisory 420 v2 (CVE-2022-42324) - Oxenstored 32->31 bit integer truncation issues
https://lists.fedoraproject.org/archives/list/[email protected]/message/YTMITQBGC23MSDHUCAPCVGLMVXIBXQTQ/
FEDORA FEDORA-2022-9f51d13fa3
https://lists.fedoraproject.org/archives/list/[email protected]/message/YZVXG7OOOXCX6VIPEMLFDPIPUTFAYWPE/
FEDORA FEDORA-2022-99af00f60e
https://xenbits.xenproject.org/xsa/advisory-420.txt
https://www.debian.org/security/2022/dsa-5272
DEBIAN DSA-5272
http://xenbits.xen.org/xsa/advisory-420.html CONFIRM

- Metasploit Modules Related To CVE-2022-42324

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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