Memory corruption in samba (Alpine package)



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-14383
CWE-ID CWE-119
Exploitation vector Network
Public exploit N/A
Vulnerable software
 samba (Alpine package)
Operating systems & Components / Operating system package or component

RoboHelp
Universal components / Libraries / Software for developers

Vendor Alpine Linux Development Team
Adobe

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Memory corruption

EUVDB-ID: #VU47993

Risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-14383

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error when processing DNS records. A remote user

 with ability to create MX or NS records with absent properties can trigger the RPC service to dereference uninitialized memory and will result in denial of service attack against the RPC service.

Mitigation

Install update from vendor's website.

Vulnerable software versions

samba (Alpine package): 4.1.1-r0 - 4.12.9-r0

RoboHelp: 0.60.6-r0

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=e12a311820b84de80d45c9e31a24316d7c3acdcb


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user 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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