NULL pointer dereference in slim

1) NULL pointer dereference

EUVDB-ID: #VU35117

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2013-4412

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

slim has NULL pointer dereference when using crypt() method from glibc 2.17

Mitigation

Install update from vendor's website.

Vulnerable software versions

slim: 1.3.6

Debian Linux: 1.3.6 - 7.0

External links

http://www.openwall.com/lists/oss-security/2013/10/09/6
http://www.securityfocus.com/bid/62906
http://access.redhat.com/security/cve/cve-2013-4412
http://bugzilla.redhat.com/show_bug.cgi?id=CVE-2013-4412
http://exchange.xforce.ibmcloud.com/vulnerabilities/89675
http://security-tracker.debian.org/tracker/CVE-2013-4412

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.