CVE-2020-12135: Integer Overflow
First published: Fri Apr 24 2020(Updated: )
bson before 0.8 incorrectly uses int rather than size_t for many variables, parameters, and return values. In particular, the bson_ensure_space() parameter bytesNeeded could have an integer overflow via properly constructed bson input.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Whoopsie Project Whoopsie | <=0.2.69 | |
| Mongodb C Driver | <0.8 | |
| debian/duo-unix | <=1.11.3-1<=1.11.3-1.2 |
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Reference Links
- https://bugs.launchpad.net/ubuntu/+source/whoopsie/+bug/1872560
- https://github.com/10gen-archive/mongo-c-driver-legacy/commit/1a1f5e26a4309480d88598913f9eebf9e9cba8ca#diff-f7d29a680148f52d6601f59ed787f577
- https://launchpadlibrarian.net/474887364/bson-fix-overflow.patch
- https://usn.ubuntu.com/4450-1/
- https://launchpad.net/bugs/cve/CVE-2020-12135
- https://security-tracker.debian.org/tracker/CVE-2020-12135
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12135
- https://nvd.nist.gov/vuln/detail/CVE-2020-12135
- https://ubuntu.com/security/CVE-2020-12135
Frequently Asked Questions
What is the vulnerability ID of this issue?
The vulnerability ID is CVE-2020-12135.
What is the severity level of CVE-2020-12135?
The severity level of CVE-2020-12135 is medium.
What software is affected by CVE-2020-12135?
The affected software includes duo-unix (versions up to and including 1.9.21-1.1 and 1.11.3-1) and whoopsie (versions up to and including 0.2.71) on Ubuntu and Debian systems, as well as the mongodb-c-driver (version up to 0.8).
What is the description of CVE-2020-12135?
CVE-2020-12135 is a vulnerability in bson before 0.8 where it incorrectly uses int rather than size_t for many variables, parameters, and return values, potentially leading to an integer overflow.
Are there any fixes available for CVE-2020-12135?
There are no specific fixes available for CVE-2020-12135 at this time, but it is recommended to update the affected software to the latest versions to mitigate the risk.
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