CVE-2021-32040 — Stack-based Buffer Overflow in INC Mongodb Server

CWE-121 — Stack-based Buffer OverflowCWE-787 — Out-of-bounds Write5 documents5 sources
Severity
7.5HIGHNVD
CNA6.5
EPSS
1.5%
top 18.68%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Mongodb INC Mongodb ServerMongodb
Timeline
PublishedApr 12
Latest updateApr 13

Description

It may be possible to have an extremely long aggregation pipeline in conjunction with a specific stage/operator and cause a stack overflow due to the size of the stack frames used by that stage. If an attacker could cause such an aggregation to occur, they could maliciously crash MongoDB in a DoS attack. This vulnerability affects MongoDB Server v4.4 versions prior to and including 4.4.28, MongoDB Server v5.0 versions prior to 5.0.4 and MongoDB Server v4.2 versions prior to 4.2.16. Workaround: …

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages2 packages

▶CVEListV5mongodb_inc/mongodb_server5.0 — 5.0.4+2
▶NVDmongodb/mongodb4.2.0 — 4.2.16+2

Patches

Patch: jira.mongodb.org ↗Patch: jira.mongodb.org ↗Patch: jira.mongodb.org ↗

🔴Vulnerability Details

3
GHSA
GHSA-hmq6-2xj3-79w5: It may be possible to have an extremely long aggregation pipeline in conjunction with a specific stage/operator and cause a stack overflow due to the↗2022-04-13
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OSV
CVE-2021-32040: It may be possible to have an extremely long aggregation pipeline in conjunction with a specific stage/operator and cause a stack overflow due to the↗2022-04-12
▶
CVEList
Large aggregation pipelines with a specific stage can crash mongod under default configuration↗2022-04-12
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📋Vendor Advisories

1
Red Hat
mongodb: Pipeline Stack-based Overflow↗2022-04-12
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CVE-2021-32040 — Stack-based Buffer Overflow | cvebase