Red Hat update for rubygem-bundler and rubygem-thor



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
Red Hat Enterprise Linux EUS Compute Node
Operating systems & Components / Operating system

Red Hat Enterprise Linux for IBM z Systems
Operating systems & Components / Operating system

Red Hat Enterprise Linux for Scientific Computing
Operating systems & Components / Operating system

Red Hat Enterprise Linux Desktop
Operating systems & Components / Operating system

Red Hat Enterprise Linux Workstation
Operating systems & Components / Operating system

Red Hat Enterprise Linux Server
Operating systems & Components / Operating system

Vendor Red Hat Inc.

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

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux EUS Compute Node: 7.3

Red Hat Enterprise Linux for IBM z Systems: 7

Red Hat Enterprise Linux for Scientific Computing: 7

Red Hat Enterprise Linux Desktop: 7

Red Hat Enterprise Linux Workstation: 7

Red Hat Enterprise Linux Server: 7

CPE2.3 External links

https://access.redhat.com/errata/RHSA-2015:2180


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.



###SIDEBAR###