OpenSSLX.509 IPAddressFamily Buffer Overread Lets Remote Users Cause Certificate Text to Be Displayed Incorrectly
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SecurityTracker Alert ID: 1039726 |
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SecurityTracker URL: http://securitytracker.com/id/1039726
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CVE Reference:
CVE-2017-3735
(Links to External Site)
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Date: Nov 2 2017
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Impact:
Modification of user information
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Fix Available: Yes Vendor Confirmed: Yes
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Description:
A vulnerability was reported in OpenSSL. A remote user can cause the certificate text to be displayed incorrectly.
A remote user can create an X.509 certificate with a specially crafted IPAddressFamily extension data that, when displayed by the target user, will trigger a one byte overread and cause the certificate text to be displayed incorrectly.
The Google OSS-Fuzz project reported this vulnerability.
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Impact:
A remote user can cause the certificate text to be displayed incorrectly.
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Solution:
The vendor has issued a fix (1.0.2m, 1.1.0g).
The vendor advisories are available at:
https://www.openssl.org/news/secadv/20170828.txt
https://www.openssl.org/news/secadv/20171102.txt
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Vendor URL: www.openssl.org/news/secadv/20170828.txt (Links to External Site)
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Cause:
Boundary error
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Underlying OS: Linux (Any), UNIX (Any), Windows (Any)
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Message History:
This archive entry has one or more follow-up message(s) listed below.
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Source Message Contents
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Subject: https://www.openssl.org/news/secadv/20170828.txt
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