Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Whoopsie Project | Whoopsie | <= 0.2.69 |
| Mongodb | C Driver | < 0.8 |
Related Weaknesses (CWE)
References
- https://bugs.launchpad.net/ubuntu/+source/whoopsie/+bug/1872560ExploitThird Party Advisory
- https://github.com/10gen-archive/mongo-c-driver-legacy/commit/1a1f5e26a4309480d8PatchThird Party Advisory
- https://launchpadlibrarian.net/474887364/bson-fix-overflow.patchPatchThird Party Advisory
- https://usn.ubuntu.com/4450-1/
- https://bugs.launchpad.net/ubuntu/+source/whoopsie/+bug/1872560ExploitThird Party Advisory
- https://github.com/10gen-archive/mongo-c-driver-legacy/commit/1a1f5e26a4309480d8PatchThird Party Advisory
- https://launchpadlibrarian.net/474887364/bson-fix-overflow.patchPatchThird Party Advisory
- https://usn.ubuntu.com/4450-1/
FAQ
What is CVE-2020-12135?
CVE-2020-12135 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 v...
How severe is CVE-2020-12135?
CVE-2020-12135 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-12135?
Check the references section above for vendor advisories and patch information. Affected products include: Whoopsie Project Whoopsie, Mongodb C Driver.