Vulnerability identifier: #VU43166

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2012-6088

CWE-ID: CWE-255

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
rpm
/

Vendor: rpm-software-management

Description

The vulnerability allows a remote non-authenticated attacker to manipulate data.

The rpmpkgRead function in lib/package.c in RPM 4.10.x before 4.10.2 does not return an error code in certain situations involving an "unparseable signature," which allows remote attackers to bypass RPM signature checks via a crafted package.

Mitigation
Install update from vendor's website.

Vulnerable software versions

rpm: 4.10.0 - 4.10.1

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External links
http://rpm.org/gitweb?p=rpm.git;a=commitdiff;h=3d74c43
http://rpm.org/wiki/Releases/4.10.2
http://secunia.com/advisories/51706
http://www.openwall.com/lists/oss-security/2013/01/03/9
http://www.securityfocus.com/bid/57138
http://www.ubuntu.com/usn/USN-1694-1
http://bugzilla.novell.com/show_bug.cgi?id=796375
http://exchange.xforce.ibmcloud.com/vulnerabilities/80953

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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.