Incorrect calculation in go (Alpine package)



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-3114
CWE-ID CWE-682
Exploitation vector Network
Public exploit N/A
Vulnerable software
 go (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Incorrect calculation

EUVDB-ID: #VU50047

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-3114

CWE-ID: CWE-682 - Incorrect Calculation

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to incorrect calculation performed by the application in "crypto/elliptic/p224.go". A remote attacker can generate incorrect outputs, related to an underflow of the lowest limb during the final complete reduction in the P-224 field.

Mitigation

Install update from vendor's website.

Vulnerable software versions

go (Alpine package): 1.15.6-r0

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=8ff6e711903927b94ae2f06a3c07f775991963fc
https://git.alpinelinux.org/aports/commit/?id=d0e9c1d7c4358710eb47088b7051e63d28789231


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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