CVE-2009-1234 Denial of service in n/a
Remote attackers can crash the Opera browser by sending a malformed XML document with unclosed tags, requiring user interaction to view the content.
- 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-2009-1234?
CVE-2009-1234 is a medium-severity denial of service vulnerability in Opera Opera Browser, published on 2 Apr 2009. 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
Opera 9.64 allows remote attackers to cause a denial of service (application crash) via an XML document containing a long series of start-tags with no corresponding end-tags. NOTE: it was later reported that 9.52 is also affected.
Weakness: CWE-20
Which versions are affected by CVE-2009-1234?
It affects 1 product.
Products include Opera Opera Browser.
How do I fix CVE-2009-1234?
No fix has been published for CVE-2009-1234 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2009-1234 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2009-1234 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Opera Opera Browser
- CVE-2013-3211 Unspecified vulnerability in Opera before 12.15 has unknown impact and attack vectors, related to a "moderately severe issue."
- CVE-2012-4145 Other in n/a
- CVE-2012-3559 Other in n/a
- CVE-2012-3561 Memory corruption in n/a
- CVE-2011-4683 Unspecified vulnerability in Opera before 11.60 has unknown impact and attack vectors, related to a "moderately severe issue."
Sources
Also known as GHSA-5mq4-9gv7-3fhj.