Vulnerability Report

CVE-2020-12135

Title: bson Integer Overflow (bytesNeeded parameter)

DoS

Proof Of Concept

No public PoC currently indexed for CVE-2020-12135.

CWE Category CWE-190
Published Date Apr 24, 2020
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 5.5 CVSS v3.1
Exploit Probability (EPSS)
0.35%

Vulnerability Summary

CVE-2020-12135: 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.

Impacted Vendors

W
whoopsie_project 1
M
mongodb 1
C
canonical 1

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://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/
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
5.5
Attack Vector
LOCAL
Complexity
LOW
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
4.3
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:M/Au:N/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2020-12135 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector LOCAL
Complexity LOW
Privileges N/A
Interaction REQUIRED
CVSS Vector String CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected Stack

No specific products linked.