CVE-2023-29416
First published: Thu Apr 06 2023(Updated: )
An issue was discovered in libbzip3.a in bzip3 before 1.3.0. A bz3_decode_block out-of-bounds write can occur with a crafted archive because bzip3 does not follow the required procedure for interacting with libsais.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| bzip3 | <1.3.0 | |
| <1.3.0 |
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Reference Links
- https://github.com/kspalaiologos/bzip3/commit/bfa5bf82b53715dfedf048e5859a46cf248668ff
- https://github.com/kspalaiologos/bzip3/compare/1.2.3...1.3.0
- https://github.com/kspalaiologos/bzip3/issues/92
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4JLSE25SV7K2NB6FTFT4UHJOJUHBHYHY/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NA7S7HDUAINOTCSWQZ5LIW756DYY22V2/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NMLFV2FJK3CM7NJLVPZI5RUAFQZICPWW/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NA7S7HDUAINOTCSWQZ5LIW756DYY22V2/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4JLSE25SV7K2NB6FTFT4UHJOJUHBHYHY/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NMLFV2FJK3CM7NJLVPZI5RUAFQZICPWW/
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2023-29416.
What is the severity of CVE-2023-29416?
The severity of CVE-2023-29416 is medium with a severity value of 6.5.
What is affected by CVE-2023-29416?
The Bzip3 software version up to exclusive version 1.3.0 is affected by CVE-2023-29416.
How can CVE-2023-29416 be exploited?
CVE-2023-29416 can be exploited by using a crafted archive that triggers an out-of-bounds write in the bz3_decode_block function.
Is there a fix available for CVE-2023-29416?
Yes, the fix for CVE-2023-29416 can be found in the 1.3.0 version of the Bzip3 software.
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