CVE-2014-7940
First published: Thu Jan 22 2015(Updated: )
The collator implementation in i18n/ucol.cpp in International Components for Unicode (ICU) 52 through SVN revision 293126, as used in Google Chrome before 40.0.2214.91, does not initialize memory for a data structure, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted character sequence.
Credit: cve-coordination@google.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Google Chrome (Trace Event) | <=40.0.2214.85 | |
| ICU (International Components for Unicode) | <=52.1 |
Remedy
https://chromium.googlesource.com/chromium/deps/icu/+/866ff696e9022a6000afbab516fba62cfa306075
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Reference Links
- http://advisories.mageia.org/MGASA-2015-0047.html
- http://googlechromereleases.blogspot.com/2015/01/stable-update.html
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00005.html
- http://rhn.redhat.com/errata/RHSA-2015-0093.html
- http://secunia.com/advisories/62383
- http://secunia.com/advisories/62575
- http://secunia.com/advisories/62665
- http://security.gentoo.org/glsa/glsa-201502-13.xml
- http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
- http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html
- http://www.securityfocus.com/bid/72288
- http://www.securitytracker.com/id/1031623
- http://www.ubuntu.com/usn/USN-2476-1
- https://chromium.googlesource.com/chromium/deps/icu/+/866ff696e9022a6000afbab516fba62cfa306075
- https://chromium.googlesource.com/chromium/src.git/+/87feb77547781a22b31c423bc0d57b7dca32d5b8
- https://code.google.com/p/chromium/issues/detail?id=433866
- https://security.gentoo.org/glsa/201503-06
- https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
Frequently Asked Questions
What is the severity of CVE-2014-7940?
CVE-2014-7940 is classified as a medium severity vulnerability.
How do I fix CVE-2014-7940?
To fix CVE-2014-7940, update Google Chrome to version 40.0.2214.91 or later.
What are the potential impacts of CVE-2014-7940?
CVE-2014-7940 can lead to denial of service and may allow remote attackers to exploit uninitialized memory.
Which software versions are affected by CVE-2014-7940?
CVE-2014-7940 affects Google Chrome versions before 40.0.2214.91 and ICU versions up to 52.1.
Is CVE-2014-7940 exploitable by remote attackers?
Yes, CVE-2014-7940 can be exploited by remote attackers to impact system stability.
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- agent/event
- agent/source
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- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/google
- canonical/google chrome (trace event)
- version/google chrome (trace event)/40.0.2214.85
- vendor/icu-project
- canonical/icu (international components for unicode)
- version/icu (international components for unicode)/52.1