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The remote Gentoo host is missing one or more security-related
The remote host is affected by the vulnerability described in GLSA-200805-20
(GnuTLS: Execution of arbitrary code)
Ossi Herrala and Jukka Taimisto of Codenomicon reported three
vulnerabilities in libgnutls of GnuTLS:
'Client Hello' messages containing an invalid server name can lead to a
buffer overflow when evaluating 'Security Parameters' (CVE-2008-1948).
Multiple 'Client Hello' messages can lead to a NULL pointer dereference
A TLS handshake including an encrypted 'Client Hello' message and an
invalid record length could lead to a buffer overread (CVE-2008-1950).
Unauthenticated remote attackers could exploit these vulnerabilities to
cause Denial of Service conditions in daemons using GnuTLS. The first
vulnerability (CVE-2008-1948) might allow for the execution of
arbitrary code with the privileges of the daemon handling incoming TLS
There is no known workaround at this time.
See also :
All GnuTLS users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=net-libs/gnutls-2.2.5'
Risk factor :
Critical / CVSS Base Score : 10.0
Family: Gentoo Local Security Checks
Nessus Plugin ID: 32418 (gentoo_GLSA-200805-20.nasl)
CVE ID: CVE-2008-1948CVE-2008-1949CVE-2008-1950
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