Input validation error in openvswitch (Alpine package)



Published: 2021-01-28
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-10722
CWE-ID CWE-20
Exploitation vector Local network
Public exploit N/A
Vulnerable software
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openvswitch (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) Input validation error

EUVDB-ID: #VU27994

Risk: Medium

CVSSv3.1: 4.2 [CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-10722

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in check log functionality. A remote attacker can pass specially crafted input to the application, trigger mmap offset and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

openvswitch (Alpine package): 2.12.0-r3

External links

http://git.alpinelinux.org/aports/commit/?id=7493d456efa66a817925f843779241ec2e2dce14
http://git.alpinelinux.org/aports/commit/?id=e6f9e62bf0fb7d83f051223a3ac38cf3275064e7


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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



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