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.

CVSS v3.0 5.5 MEDIUM
CVSS v2.0 4.3 MEDIUM

5.5^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://launchpadlibrarian.net/474887364/bson-fix-overflow.patch	Patch Third Party Advisory
https://bugs.launchpad.net/ubuntu/+source/whoopsie/+bug/1872560	Exploit Third Party Advisory
https://github.com/10gen-archive/mongo-c-driver-legacy/commit/1a1f5e26a4309480d88598913f9eebf9e9cba8ca#diff-f7d29a680148f52d6601f59ed787f577	Patch Third Party Advisory
https://usn.ubuntu.com/4450-1/

Advertisement

Configurations

Configuration 1 (hide)

cpe:2.3:a:whoopsie_project:whoopsie:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:a:mongodb:c_driver:*:*:*:*:*:*:*:*

Information

Published : 2020-04-23 18:15

Updated : 2020-08-12 10:15

NVD link : CVE-2020-12135

Mitre link : CVE-2020-12135

JSON object : View

CWE

CWE-190

Integer Overflow or Wraparound

Advertisement

Products Affected

whoopsie_project

whoopsie

mongodb

c_driver

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://launchpadlibrarian.net/474887364/bson-fix-overflow.patch", "name": "https://launchpadlibrarian.net/474887364/bson-fix-overflow.patch", "tags": ["Patch", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://bugs.launchpad.net/ubuntu/+source/whoopsie/+bug/1872560", "name": "https://bugs.launchpad.net/ubuntu/+source/whoopsie/+bug/1872560", "tags": ["Exploit", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://github.com/10gen-archive/mongo-c-driver-legacy/commit/1a1f5e26a4309480d88598913f9eebf9e9cba8ca#diff-f7d29a680148f52d6601f59ed787f577", "name": "https://github.com/10gen-archive/mongo-c-driver-legacy/commit/1a1f5e26a4309480d88598913f9eebf9e9cba8ca#diff-f7d29a680148f52d6601f59ed787f577", "tags": ["Patch", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://usn.ubuntu.com/4450-1/", "name": "USN-4450-1", "tags": [], "refsource": "UBUNTU"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-190"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2020-12135", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}}, "publishedDate": "2020-04-24T01:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:whoopsie_project:whoopsie:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "0.2.69"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:mongodb:c_driver:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "0.8"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2020-08-12T17:15Z"}