Vulnerability Monitor

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CVE-2021-43618

GNU Multiple Precision Arithmetic Library (GMP) through 6.2.1 has an mpz/inp_raw.c integer overflow and resultant buffer overflow via crafted input, leading to a segmentation fault on 32-bit platforms.

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.5, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 13 products from gmplib, from debian, from netapp and 10 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2021, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2021-11-15T04:15:06.873

Last Modified

2024-11-21T06:29:31.567

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-190

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	gmplib	gmp	≤ 6.2.1	Yes
Operating System	debian	debian_linux	9.0	Yes
Application	netapp	active_iq_unified_manager	-	Yes
Operating System	netapp	h300s_firmware	-	Yes
Hardware	netapp	h300s	-	No
Operating System	netapp	h500s_firmware	-	Yes
Hardware	netapp	h500s	-	No
Operating System	netapp	h700s_firmware	-	Yes
Hardware	netapp	h700s	-	No
Operating System	netapp	h410s_firmware	-	Yes
Hardware	netapp	h410s	-	No
Operating System	netapp	h410c_firmware	-	Yes
Hardware	netapp	h410c	-	No

References

http://seclists.org/fulldisclosure/2022/Oct/8 Mailing List, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2022/10/13/3 Mailing List, Third Party Advisory ([email protected])
https://bugs.debian.org/994405 Mailing List, Third Party Advisory ([email protected])
https://gmplib.org/list-archives/gmp-bugs/2021-September/005077.html Exploit, Third Party Advisory ([email protected])
https://gmplib.org/repo/gmp-6.2/rev/561a9c25298e Patch, Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2021/12/msg00001.html Mailing List, Third Party Advisory ([email protected])
https://security.gentoo.org/glsa/202309-13 ([email protected])
https://security.netapp.com/advisory/ntap-20221111-0001/ Third Party Advisory ([email protected])
http://seclists.org/fulldisclosure/2022/Oct/8 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2022/10/13/3 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugs.debian.org/994405 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://gmplib.org/list-archives/gmp-bugs/2021-September/005077.html Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://gmplib.org/repo/gmp-6.2/rev/561a9c25298e Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2021/12/msg00001.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/202309-13 (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20221111-0001/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For gmplib's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.