Explain CVE-2008-1673
The asn1 implementation in (a) the Linux kernel 2.4 before 2.4.36.6 and 2.6 before 2.6.25.5, as used in the cifs and ip_nat_snmp_basic modules; and (b) the gxsnmp package; does not properly validate length values during decoding of ASN.1 BER data, which allows remote attackers to cause a denial of service (crash) or execute arbitrary code via (1) a length greater than the working buffer, which can lead to an unspecified overflow; (2) an oid length of zero, which can lead to an off-by-one error; or (3) an indefinite length for a primitive encoding.
Affected Products: n/a
References: [{'name': 'SUSE-SA:2008:047', 'tags': ['vendor-advisory', 'x_refsource_SUSE'], 'url': 'http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00000.html'}, {'name': '30000', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/30000'}, {'name': '30658', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/30658'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0189'}, {'name': 'SUSE-SA:2008:038', 'tags': ['vendor-advisory', 'x_refsource_SUSE'], 'url': 'http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00012.html'}, {'name': '29589', 'tags': ['vdb-entry', 'x_refsource_BID'], 'url': 'http://www.securityfocus.com/bid/29589'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ddb2c43594f22843e9f3153da151deaba1a834c5'}, {'name': 'SUSE-SA:2008:035', 'tags': ['vendor-advisory', 'x_refsource_SUSE'], 'url': 'http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00007.html'}, {'name': 'SUSE-SA:2008:052', 'tags': ['vendor-advisory', 'x_refsource_SUSE'], 'url': 'http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00008.html'}, {'name': 'FEDORA-2008-5308', 'tags': ['vendor-advisory', 'x_refsource_FEDORA'], 'url': 'https://www.redhat.com/archives/fedora-package-announce/2008-June/msg00587.html'}, {'name': '32104', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/32104'}, {'name': '30982', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/30982'}, {'name': '30580', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/30580'}, {'name': '20080611 rPSA-2008-0189-1 kernel xen', 'tags': ['mailing-list', 'x_refsource_BUGTRAQ'], 'url': 'http://www.securityfocus.com/archive/1/493300/100/0/threaded'}, {'name': 'linux-kernel-ber-decoder-bo(42921)', 'tags': ['vdb-entry', 'x_refsource_XF'], 'url': 'https://exchange.xforce.ibmcloud.com/vulnerabilities/42921'}, {'name': '30644', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/30644'}, {'name': 'SUSE-SA:2008:048', 'tags': ['vendor-advisory', 'x_refsource_SUSE'], 'url': 'http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00001.html'}, {'name': '32103', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/32103'}, {'name': 'MDVSA-2008:113', 'tags': ['vendor-advisory', 'x_refsource_MANDRIVA'], 'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2008:113'}, {'name': '1020210', 'tags': ['vdb-entry', 'x_refsource_SECTRACK'], 'url': 'http://www.securitytracker.com/id?1020210'}, {'name': 'MDVSA-2008:174', 'tags': ['vendor-advisory', 'x_refsource_MANDRIVA'], 'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2008:174'}, {'name': '32759', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/32759'}, {'name': 'ADV-2008-1770', 'tags': ['vdb-entry', 'x_refsource_VUPEN'], 'url': 'http://www.vupen.com/english/advisories/2008/1770'}, {'name': '31107', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/31107'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.25.5'}, {'name': '32370', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/32370'}, {'name': '31836', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/31836'}, {'name': 'USN-625-1', 'tags': ['vendor-advisory', 'x_refsource_UBUNTU'], 'url': 'http://www.ubuntu.com/usn/usn-625-1'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=443962'}, {'name': 'DSA-1592', 'tags': ['vendor-advisory', 'x_refsource_DEBIAN'], 'url': 'http://www.debian.org/security/2008/dsa-1592'}, {'name': 'SUSE-SA:2008:049', 'tags': ['vendor-advisory', 'x_refsource_SUSE'], 'url': 'http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00003.html'}, {'name': 'SUSE-SR:2008:025', 'tags': ['vendor-advisory', 'x_refsource_SUSE'], 'url': 'http://lists.opensuse.org/opensuse-security-announce/2008-11/msg00001.html'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.25.y.git%3Ba=commit%3Bh=33afb8403f361919aa5c8fe1d0a4f5ddbfbbea3c'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'http://kernel.org/pub/linux/kernel/v2.4/ChangeLog-2.4.36.6'}]
CVE State: PUBLISHED