CVE-2023-48236: overflow in get_number in vim
First published: Thu Nov 16 2023(Updated: )
Vim is an open source command line text editor. When using the z= command, the user may overflow the count with values larger than MAX_INT. Impact is low, user interaction is required and a crash may not even happen in all situations. This vulnerability has been addressed in commit `73b2d379` which has been included in release version 9.0.2111. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Credit: security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Vim Vim | <9.0.2111 | |
| Fedoraproject Fedora | =39 |
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Reference Links
- https://github.com/vim/vim/security/advisories/GHSA-pr4c-932v-8hx5
- https://github.com/vim/vim/commit/73b2d3790cad5694fc0ed0db2926e4220c48d968
- http://www.openwall.com/lists/oss-security/2023/11/16/1
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M3VQF7CL3V6FGSEW37WNDFBRRILR65AK/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4UJAK2W5S7G75ETDAEM3BDUCVSXCEGRD/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VNRNYLWXZOGTYWE5HMFNQ5FVE3HBUHF6/
Frequently Asked Questions
What is the vulnerability ID of this vulnerability?
The vulnerability ID is CVE-2023-48236.
What is the severity of CVE-2023-48236?
The severity of CVE-2023-48236 is medium with a score of 4.3.
What is the affected software for CVE-2023-48236?
The affected software are Vim (version up to 9.0.2111) and Fedoraproject Fedora (version 39).
How can the overflow in get_number in Vim be exploited?
The overflow in get_number in Vim can be exploited by using the z= command with values larger than MAX_INT.
How was the vulnerability CVE-2023-48236 addressed?
The vulnerability CVE-2023-48236 was addressed in commit `73b2d379`.
- collector/mitre-cve
- collector/nvd-api
- vendor/vim
- product/vim
- canonical/vim vim
- vendor/fedoraproject
- product/fedora
- canonical/fedoraproject fedora