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CVE-2012-1569

The asn1_get_length_der function in decoding.c in GNU Libtasn1 before 2.12, as used in GnuTLS before 3.0.16 and other products, does not properly handle certai…

Impact

The asn1_get_length_der function in decoding.c in GNU Libtasn1 before 2.12, as used in GnuTLS before 3.0.16 and other products, does not properly handle certain large length values, which allows remote attackers to cause a denial of service (heap memory corruption and application crash) or possibly have unspecified other impact via a crafted ASN.1 structure.

Affected products

VendorProductAffected versions
GnuGnutls
through 3.0.15
Versions 1.0.16, 1.0.17, 1.0.18, 1.0.19, 1.0.20
GnuLibtasn1
through 2.11
Versions 0.1.0, 0.1.1, 0.1.2, 0.2.0, 0.2.1

Weakness classification

CWE-189

References