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CVE-2009-1417

Status Candidate

Overview

gnutls-cli in GnuTLS before 2.6.6 does not verify the activation and expiration times of X.509 certificates, which allows remote attackers to successfully present a certificate that is (1) not yet valid or (2) no longer valid, related to lack of time checks in the _gnutls_x509_verify_certificate function in lib/x509/verify.c in libgnutls_x509, as used by (a) Exim, (b) OpenLDAP, and (c) libsoup.

Related Files

Mandriva Linux Security Advisory 2009-308
Posted Dec 3, 2009
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2009-308 - gnutls-cli in GnuTLS before 2.6.6 does not verify the activation and expiration times of X.509 certificates, which allows remote attackers to successfully present a certificate that is (1) not yet valid or (2) no longer valid, related to lack of time checks in the _gnutls_x509_verify_certificate function in lib/x509/verify.c in libgnutls_x509, as used by (a) Exim, (b) OpenLDAP, and (c) libsoup. A vulnerability have been discovered and corrected in GnuTLS before 2.8.2, which could allow man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority. Packages for 2008.0 are being provided due to extended support for Corporate products. This update fixes this vulnerability.

tags | advisory, remote, arbitrary, spoof
systems | linux, mandriva
advisories | CVE-2009-1417, CVE-2009-2730
MD5 | 9e1a6eee12849ada1a53886f4d2c4dd9
Gentoo Linux Security Advisory 200905-4
Posted May 26, 2009
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory GLSA 200905-04 - Multiple vulnerabilities in GnuTLS might result in a Denial of Service, spoofing or the generation of invalid keys. Versions less than 2.6.6 are affected.

tags | advisory, denial of service, spoof, vulnerability
systems | linux, gentoo
advisories | CVE-2009-1415, CVE-2009-1416, CVE-2009-1417
MD5 | c4507abb92167b06f551fdf50597d338
Mandriva Linux Security Advisory 2009-116
Posted May 19, 2009
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2009-116 - lib/pk-libgcrypt.c in libgnutls in GnuTLS before 2.6.6 does not properly handle invalid DSA signatures, which allows remote attackers to cause a denial of service (application crash) and possibly have unspecified other impact via a malformed DSA key that triggers a (1) free of an uninitialized pointer or (2) double free. lib/gnutls_pk.c in libgnutls in GnuTLS 2.5.0 through 2.6.5 generates RSA keys stored in DSA structures, instead of the intended DSA keys, which might allow remote attackers to spoof signatures on certificates or have unspecified other impact by leveraging an invalid DSA key. gnutls-cli in GnuTLS before 2.6.6 does not verify the activation and expiration times of X.509 certificates, which allows remote attackers to successfully present a certificate that is (1) not yet valid or (2) no longer valid, related to lack of time checks in the _gnutls_x509_verify_certificate function in lib/x509/verify.c in libgnutls_x509, as used by (a) Exim, (b) OpenLDAP, and (c) libsoup. The updated packages have been patched to prevent this.

tags | advisory, remote, denial of service, spoof
systems | linux, mandriva
advisories | CVE-2009-1415, CVE-2009-1416, CVE-2009-1417
MD5 | 4d2a1671b762f8f1aa2a6ad0b858ea0d
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