CVE-2012-3456 EXPLOIT
7.5
HIGH · CVSS 2.0 · EPSS 20.1% (pctl 97)
Patch early
A public exploit exists.
Description
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 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a crafted ODF style in an ODF document. NOTE: this is the same vulnerability as CVE-2012-3455, but it was SPLIT by the CNA even though Calligra and KOffice share the same codebase.
Scoring
| CVSS | 7.5 (HIGH, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| EPSS | 20.07% — more likely to be exploited than 97% of all CVEs |
| Weakness | CWE-119 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2012-08-20 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| calligra | calligra |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Alligra Calligra - Heap Buffer Overflow | 2012-08-07 |
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
- 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
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