CVE-2012-3456 Memory corruption in n/a
Remote attackers can cause a crash or execute arbitrary code via a crafted ODF document in Calligra, requiring user interaction to open the file.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2012-3456?
CVE-2012-3456 is a high-severity memory corruption vulnerability in n/a, published on 20 Aug 2012. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-119
Which versions are affected by CVE-2012-3456?
It affects 1 product.
Products include Calligra Calligra.
How do I fix CVE-2012-3456?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2012-3456 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2012-3456 exists.
Public exploit code: 1 Exploit-DB entry.
Sources
Also known as DEBIAN-CVE-2012-3456, GHSA-gmv4-h63m-hqgg.