CVE-2010-1766

Description

Off-by-one error in the WebSocketHandshake::readServerHandshake function in websockets/WebSocketHandshake.cpp in WebCore in WebKit before r56380, as used in Qt and other products, allows remote websockets servers to cause a denial of service (memory corruption) or possibly have unspecified other impact via an upgrade header that is long and invalid.

Category

7.5
CVSS
Severity: High
CVSS 2.0 •
EPSS 2.58% Top 20%
Vendor Advisory mandriva.com Vendor Advisory fedoraproject.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory fedoraproject.org Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory vupen.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.mandriva.com/security/advisories?name=MDVSA-2011:039 vendor advisory
http://www.vupen.com/english/advisories/2010/2722 vdb entry
http://lists.fedoraproject.org/pipermail/package-announce/2010-July/044031.html vendor advisory
http://secunia.com/advisories/43068 third party advisory vendor advisory
http://www.vupen.com/english/advisories/2010/1801 vdb entry vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=596494
http://www.ubuntu.com/usn/USN-1006-1 vendor advisory
http://secunia.com/advisories/41856 third party advisory vendor advisory
http://www.vupen.com/english/advisories/2011/0212 vdb entry
https://bugs.webkit.org/show_bug.cgi?id=36339
http://secunia.com/advisories/40557 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2010-July/044023.html vendor advisory
http://www.vupen.com/english/advisories/2011/0552 vdb entry
http://trac.webkit.org/changeset/56380

Frequently Asked Questions

What is the severity of CVE-2010-1766?
CVE-2010-1766 has been scored as a high severity vulnerability.
How to fix CVE-2010-1766?
To fix CVE-2010-1766, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2010-1766 being actively exploited in the wild?
It is possible that CVE-2010-1766 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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