Format string error in Perl

1) Format string error

EUVDB-ID: #VU43604

Risk: Medium

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

CVE-ID: CVE-2012-1151

CWE-ID: CWE-134 - Use of Externally-Controlled Format String

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

Multiple format string vulnerabilities in dbdimp.c in DBD::Pg (aka DBD-Pg or libdbd-pg-perl) module before 2.19.0 for Perl allow remote PostgreSQL database servers to cause a denial of service (process crash) via format string specifiers in (1) a crafted database warning to the pg_warn function or (2) a crafted DBD statement to the dbd_st_prepare function.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Perl: 0.1 - 2.18.0

External links

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=661536
http://cpansearch.perl.org/src/TURNSTEP/DBD-Pg-2.19.1/Changes
http://rhn.redhat.com/errata/RHSA-2012-1116.html
http://secunia.com/advisories/48307
http://secunia.com/advisories/48319
http://secunia.com/advisories/48824
http://security.gentoo.org/glsa/glsa-201204-08.xml
http://www.debian.org/security/2012/dsa-2431
http://www.mandriva.com/security/advisories?name=MDVSA-2012:112
http://www.openwall.com/lists/oss-security/2012/03/09/6
http://www.openwall.com/lists/oss-security/2012/03/10/4
http://bugzilla.redhat.com/show_bug.cgi?id=801733
http://exchange.xforce.ibmcloud.com/vulnerabilities/73854
http://exchange.xforce.ibmcloud.com/vulnerabilities/73855
http://rt.cpan.org/Public/Bug/Display.html?id=75642

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.