SB2012082015 - Heap-based buffer overflow in KDE calligra

Description

This security bulletin contains information about 1 security vulnerability.

1) Heap-based buffer overflow (CVE-ID: CVE-2012-3456)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in Heap-based buffer overflow in the read function in filters/words/msword-odf/wv2/src/styles.cpp in the Microsoft import filter in Calligra 2.4.3 and earlier. A remote attacker can use a crafted ODF style in an ODF document. NOTE to trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.

References

• http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00026.html
• http://marc.info/?l=bugtraq&m=136733075705494&w=2
• http://media.blackhat.com/bh-us-12/Briefings/C_Miller/BH_US_12_Miller_NFC_attack_surface_WP.pdf
• http://secunia.com/advisories/50050
• http://www.kde.org/info/security/advisory-20120810-1.txt
• http://www.openwall.com/lists/oss-security/2012/08/04/1
• http://www.openwall.com/lists/oss-security/2012/08/04/5
• http://www.openwall.com/lists/oss-security/2012/08/06/1
• http://www.openwall.com/lists/oss-security/2012/08/06/6
• http://www.openwall.com/lists/oss-security/2012/08/10/1
• http://www.securityfocus.com/bid/54816
• http://www.ubuntu.com/usn/USN-1525-1
• https://exchange.xforce.ibmcloud.com/vulnerabilities/77482