CVE-2017-6891

Two errors in the "asn1_find_node()" function (lib/parser_aux.c) within GnuTLS libtasn1 version 4.10 can be exploited to cause a stacked-based buffer overflow by tricking a user into processing a specially crafted assignments file via the e.g. asn1Coding utility.

• CWE-787

• http://git.savannah.gnu.org/gitweb/?p=libtasn1.git%3Ba=commit%3Bh=5520704d075802df25ce4ffccc010ba1641bd484
• http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00018.htmlBroken Link
• http://www.debian.org/security/2017/dsa-3861Third Party Advisory
• http://www.securityfocus.com/bid/98641Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1038619Third Party Advisory, VDB Entry
• https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
• https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
• https://secuniaresearch.flexerasoftware.com/advisories/76125/Permissions Required
• https://secuniaresearch.flexerasoftware.com/secunia_research/2017-11/Patch, Third Party Advisory
• https://security.gentoo.org/glsa/201710-11Third Party Advisory
• http://git.savannah.gnu.org/gitweb/?p=libtasn1.git%3Ba=commit%3Bh=5520704d075802df25ce4ffccc010ba1641bd484
• http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00018.htmlBroken Link
• http://www.debian.org/security/2017/dsa-3861Third Party Advisory
• http://www.securityfocus.com/bid/98641Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1038619Third Party Advisory, VDB Entry
• https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
• https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
• https://secuniaresearch.flexerasoftware.com/advisories/76125/Permissions Required
• https://secuniaresearch.flexerasoftware.com/secunia_research/2017-11/Patch, Third Party Advisory
• https://security.gentoo.org/glsa/201710-11Third Party Advisory

Published

May 22, 2017

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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