Input validation error in ruby (Alpine package)



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2015-7551
CWE-ID CWE-20
Exploitation vector Local
Public exploit N/A
Vulnerable software
 ruby (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Input validation error

EUVDB-ID: #VU32356

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2015-7551

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows context-dependent attackers to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can execute arbitrary code or cause a denial of service (application crash) via a crafted string, related to the DL module and the libffi library.

Mitigation

Install update from vendor's website.

Vulnerable software versions

ruby (Alpine package): 2.0.0-r0 - 2.2.3-r1

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=3afa43694d2bfcb8401e198114b238eab4a133b4


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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



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