CVE-2020-12135

medium

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.

References

https://usn.ubuntu.com/4450-1/

https://launchpadlibrarian.net/474887364/bson-fix-overflow.patch

https://github.com/10gen-archive/mongo-c-driver-legacy/commit/1a1f5e26a4309480d88598913f9eebf9e9cba8ca#diff-f7d29a680148f52d6601f59ed787f577

https://bugs.launchpad.net/ubuntu/+source/whoopsie/+bug/1872560

Details

Source: Mitre, NVD

Published: 2020-04-24

Updated: 2020-08-12

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H