Security update for Bundler in Gentoo Linux



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2013-0334
CWE-ID CWE-345
Exploitation vector Network
Public exploit N/A
Vulnerable software
 bundler
Universal components / Libraries / Software for developers

Vendor Bundler

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Insecure installation

EUVDB-ID: #VU658

Risk: Medium

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2013-0334

CWE-ID: CWE-345 - Insufficient Verification of Data Authenticity

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to logic error within Bundler installation process, when handling gemfiles with multiple top-level sources. The application dies not control the installation source and may allow installing gem file from a different server from the list, if the server in question contains the gem file with the same name.

The attack could be launched using malicious gem file on a public repository, such as gems.github.com. A remote attacker can create a malicious gem file, which will be fetched and executed during installation.

Successful exploitation of the vulnerability may result in compromise of vulnerable system.


Mitigation

Update dev-ruby/bundler package to version 1.7.3

https://security.gentoo.org/glsa/201609-02

Vulnerable software versions

bundler: 0.3.0 - 1.6.9

CPE2.3 External links

https://bundler.io/blog/2014/08/14/bundler-may-install-gems-from-a-different-source-than-expected-cve...


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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