CVE-2011-3494 Memory corruption in n/a
Remote attackers can cause crashes or execute arbitrary code by tricking users into opening malicious eSignal files with long fields.
- 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
- None listed
What is CVE-2011-3494?
CVE-2011-3494 is a critical memory corruption vulnerability in n/a, published on 16 Sep 2011. 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
WinSig.exe in eSignal 10.6.2425 and earlier allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via (1) a long StyleTemplate element in a QUO, SUM or POR file, which triggers a stack-based buffer overflow, or (2) a long Font->FaceName field (aka FaceName element), which triggers a heap-based buffer overflow. NOTE: some of these details are obtained from third party information.
Weakness: CWE-119
Which versions are affected by CVE-2011-3494?
It affects 1 product.
Products include Interactivedata Esignal.
How do I fix CVE-2011-3494?
No fix has been published for CVE-2011-3494 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2011-3494 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2011-3494 exists.
Public exploit code: 1 Metasploit module and 2 Exploit-DB entries.
Other vulnerabilities in n/a
Sources
Also known as GHSA-hgr3-hr36-p474.