CVE-2017-7507: Null Pointer Dereference
First published: Tue May 23 2017(Updated: )
GnuTLS version 3.5.12 and earlier is vulnerable to a NULL pointer dereference while decoding a status response TLS extension with valid contents. This could lead to a crash of the GnuTLS server application.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| GnuTLS | <=3.5.12 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1459795
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1459797
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1459796
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1459798
- https://www.gnutls.org/security.html#GNUTLS-SA-2017-4
- https://access.redhat.com/errata/RHSA-2017:2292
- https://bugzilla.redhat.com/show_bug.cgi?id=1454621
- http://www.debian.org/security/2017/dsa-3884
- http://www.securityfocus.com/bid/99102
Frequently Asked Questions
What is the severity of CVE-2017-7507?
CVE-2017-7507 has a medium severity level due to its potential to crash the GnuTLS server application.
How do I fix CVE-2017-7507?
To fix CVE-2017-7507, upgrade GnuTLS to version 3.5.13 or later.
What systems are affected by CVE-2017-7507?
Systems running GnuTLS version 3.5.12 and earlier are affected by CVE-2017-7507.
What could be the consequence of CVE-2017-7507 exploitation?
Exploitation of CVE-2017-7507 could lead to a denial of service by crashing the GnuTLS server application.
Is CVE-2017-7507 a client-side or server-side vulnerability?
CVE-2017-7507 is a server-side vulnerability affecting the GnuTLS server application.
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