CVE-2015-1243: Use After Free
First published: Fri May 01 2015(Updated: )
Use-after-free vulnerability in the MutationObserver::disconnect function in core/dom/MutationObserver.cpp in the DOM implementation in Blink, as used in Google Chrome before 42.0.2311.135, allows remote attackers to cause a denial of service or possibly have unspecified other impact by triggering an attempt to unregister a MutationObserver object that is not currently registered.
Credit: cve-coordination@google.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Google Chrome (Trace Event) | <=42.0.2311.87 | |
| Debian | =8.0 | |
| Ubuntu | =14.04 | |
| Ubuntu | =14.10 | |
| Ubuntu | =15.04 | |
| Red Hat Enterprise Linux Desktop | =6.0 | |
| Red Hat Enterprise Linux Server Supplementary | =6.0 | |
| Red Hat Enterprise Linux Server Supplementary EUS | =6.6.z | |
| Red Hat Enterprise Linux Workstation Supplementary | =6.0 |
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Reference Links
- http://googlechromereleases.blogspot.com/2015/04/stable-channel-update_28.html
- http://lists.opensuse.org/opensuse-updates/2015-05/msg00009.html
- http://rhn.redhat.com/errata/RHSA-2015-0921.html
- http://www.debian.org/security/2015/dsa-3242
- http://www.securityfocus.com/bid/74389
- http://www.securitytracker.com/id/1032234
- http://www.ubuntu.com/usn/USN-2582-1
- https://code.google.com/p/chromium/issues/detail?id=453279
- https://security.gentoo.org/glsa/201506-04
- https://src.chromium.org/viewvc/blink?revision=192655&view=revision
Frequently Asked Questions
What is the severity of CVE-2015-1243?
CVE-2015-1243 has a high severity rating due to its potential for remote denial of service and unspecified impacts.
How do I fix CVE-2015-1243?
To fix CVE-2015-1243, update Google Chrome to version 42.0.2311.135 or later, or apply relevant patches for affected operating systems.
Which software versions are affected by CVE-2015-1243?
CVE-2015-1243 affects Google Chrome versions earlier than 42.0.2311.135 and specific versions of Debian and Ubuntu Linux distributions.
What type of vulnerability is CVE-2015-1243?
CVE-2015-1243 is classified as a use-after-free vulnerability in the MutationObserver functionality within the Blink engine.
Can CVE-2015-1243 be exploited remotely?
Yes, CVE-2015-1243 can be exploited remotely to cause denial of service conditions.
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