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PostPosted: Sun Oct 15, 2017 7:26 am    Post subject: [ GLSA 201710-15 ] GnuTLS Reply with quote

Gentoo Linux Security Advisory

Title: GnuTLS: Denial of Service (GLSA 201710-15)
Severity: normal
Exploitable: remote
Date: 2017-10-15
Bug(s): #622038
ID: 201710-15

Synopsis

A null pointer dereference in GnuTLS might allow attackers to cause
a Denial of Service condition.


Background

GnuTLS is a secure communications library implementing the SSL, TLS and
DTLS protocols and technologies around them.


Affected Packages

Package: net-libs/gnutls
Vulnerable: < 3.5.13
Unaffected: >= 3.5.13
Architectures: All supported architectures


Description

A null pointer dereference while decoding a status response TLS
extension with valid contents was discovered in GnuTLS.


Impact

A remote attacker could possibly cause a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All GnuTLS users should upgrade to the latest version:
Code:
# emerge --sync
      # emerge --ask --oneshot --verbose ">=net-libs/gnutls-3.5.13"
   
Packages which depend on this library may need to be recompiled. Tools
such as revdep-rebuild may assist in identifying some of these packages.


References

CVE-2017-7507
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