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CVE-2011-3389

UnknownEPSS 73.33%

Last modified

CVE-2011-3389 is a vulnerability of currently unknown severity. The SSL protocol, as used in certain configurations in Microsoft Windows and Microsoft Internet Explorer, Mozilla Firefox, Google Chrome, Opera, and other products, encrypts data by using CBC mode with chained initialization vectors, which allows man-in-the-middle attackers to obtain plaintext HTTP headers via a blockwise chosen-boundary attack (BCBA) on an HTTPS session, in conjunction with JavaScript code that uses (1) the HTML5 WebSocket API, (2) the Java URLConnection API, or (3) the Silverlight WebClient API, aka a "BEAST" attack.. EPSS estimates a 73.33% chance of exploitation in the next 30 days.

Description

The SSL protocol, as used in certain configurations in Microsoft Windows and Microsoft Internet Explorer, Mozilla Firefox, Google Chrome, Opera, and other products, encrypts data by using CBC mode with chained initialization vectors, which allows man-in-the-middle attackers to obtain plaintext HTTP headers via a blockwise chosen-boundary attack (BCBA) on an HTTPS session, in conjunction with JavaScript code that uses (1) the HTML5 WebSocket API, (2) the Java URLConnection API, or (3) the Silverlight WebClient API, aka a "BEAST" attack.

Metrics

EPSS Probability
73.33%

99.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
GoogleChromeAll versions
MicrosoftInternet ExplorerAll versions
MozillaFirefoxAll versions
OperaOpera BrowserAll versions
MicrosoftWindowsAll versions
SiemensSimatic Rf68xr Firmware< 3.2.1
SiemensSimatic Rf615r Firmware< 3.2.1
HaxxCurl>= 7.10.6, <= 7.23.1
RedhatEnterprise Linux Desktop5.0
RedhatEnterprise Linux Desktop6.0
RedhatEnterprise Linux Eus6.2
RedhatEnterprise Linux Server5.0
RedhatEnterprise Linux Server6.0
RedhatEnterprise Linux Server Aus6.2
RedhatEnterprise Linux Workstation5.0
RedhatEnterprise Linux Workstation6.0
DebianDebian Linux5.0
DebianDebian Linux6.0
CanonicalUbuntu Linux10.04
CanonicalUbuntu Linux10.10
CanonicalUbuntu Linux11.04
CanonicalUbuntu Linux11.10

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2011-3389?
The SSL protocol, as used in certain configurations in Microsoft Windows and Microsoft Internet Explorer, Mozilla Firefox, Google Chrome, Opera, and other products, encrypts data by using CBC mode with chained initialization vectors, which allows man-in-the-middle attackers to obtain plaintext HTTP headers via a blockwise chosen-boundary attack (BCBA) on an HTTPS session, in conjunction with JavaScript code that uses (1) the HTML5 WebSocket API, (2) the Java URLConnection API, or (3) the Silverlight WebClient API, aka a "BEAST" attack.
How severe is CVE-2011-3389?
Severity scoring for CVE-2011-3389 is pending analysis. The EPSS model estimates a 73.33% probability of exploitation in the next 30 days.
How do I fix CVE-2011-3389?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST