Explain CVE-2009-0591
The CMS_verify function in OpenSSL 0.9.8h through 0.9.8j, when CMS is enabled, does not properly handle errors associated with malformed signed attributes, which allows remote attackers to repudiate a signature that originally appeared to be valid but was actually invalid.
Affected Products: n/a
References: [{'name': 'SSRT090059', 'tags': ['vendor-advisory', 'x_refsource_HP'], 'url': 'http://marc.info/?l=bugtraq&m=124464882609472&w=2'}, {'name': 'ADV-2009-0850', 'tags': ['vdb-entry', 'x_refsource_VUPEN'], 'url': 'http://www.vupen.com/english/advisories/2009/0850'}, {'name': 'ADV-2009-1175', 'tags': ['vdb-entry', 'x_refsource_VUPEN'], 'url': 'http://www.vupen.com/english/advisories/2009/1175'}, {'name': '42724', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/42724'}, {'name': 'openssl-cmsverify-security-bypass(49432)', 'tags': ['vdb-entry', 'x_refsource_XF'], 'url': 'https://exchange.xforce.ibmcloud.com/vulnerabilities/49432'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'http://sourceforge.net/project/shownotes.php?release_id=671059&group_id=116847'}, {'name': '34666', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/34666'}, {'name': 'HPSBUX02435', 'tags': ['vendor-advisory', 'x_refsource_HP'], 'url': 'http://marc.info/?l=bugtraq&m=124464882609472&w=2'}, {'name': 'ADV-2009-1020', 'tags': ['vdb-entry', 'x_refsource_VUPEN'], 'url': 'http://www.vupen.com/english/advisories/2009/1020'}, {'name': '35729', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/35729'}, {'name': '35380', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/35380'}, {'name': 'HPSBOV02540', 'tags': ['vendor-advisory', 'x_refsource_HP'], 'url': 'http://marc.info/?l=bugtraq&m=127678688104458&w=2'}, {'name': 'APPLE-SA-2009-09-10-2', 'tags': ['vendor-advisory', 'x_refsource_APPLE'], 'url': 'http://lists.apple.com/archives/security-announce/2009/Sep/msg00004.html'}, {'name': '35065', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/35065'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'http://www.php.net/archive/2009.php#id2009-04-08-1'}, {'name': '34411', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/34411'}, {'name': 'NetBSD-SA2009-008', 'tags': ['vendor-advisory', 'x_refsource_NETBSD'], 'url': 'ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2009-008.txt.asc'}, {'name': '52865', 'tags': ['vdb-entry', 'x_refsource_OSVDB'], 'url': 'http://www.osvdb.org/52865'}, {'name': 'SUSE-SR:2009:010', 'tags': ['vendor-advisory', 'x_refsource_SUSE'], 'url': 'http://lists.opensuse.org/opensuse-security-announce/2009-05/msg00000.html'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'http://voodoo-circle.sourceforge.net/sa/sa-20090326-01.html'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'http://support.apple.com/kb/HT3865'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'http://www.openssl.org/news/secadv_20090325.txt'}, {'name': 'ADV-2009-1548', 'tags': ['vdb-entry', 'x_refsource_VUPEN'], 'url': 'http://www.vupen.com/english/advisories/2009/1548'}, {'name': '36701', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/36701'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'https://kb.bluecoat.com/index?page=content&id=SA50'}, {'name': '34460', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/34460'}, {'name': '34256', 'tags': ['vdb-entry', 'x_refsource_BID'], 'url': 'http://www.securityfocus.com/bid/34256'}, {'name': '1021907', 'tags': ['vdb-entry', 'x_refsource_SECTRACK'], 'url': 'http://securitytracker.com/id?1021907'}, {'name': '42733', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/42733'}]
CVE State: PUBLISHED