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.

CVSS v3.0 8.8 HIGH
CVSS v2.0 6.8 MEDIUM

8.8^/10

CVSS v3.0 : HIGH

Vector : AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

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

Configurations

Configuration 1 (hide)

cpe:2.3:a:gnu:gnutls_libtasn1:4.10:*:*:*:*:*:*:*

Information

Published : 2017-05-22 19:29

Updated : 2021-06-29 15:15

NVD link : CVE-2017-6891

Mitre link : CVE-2017-6891

JSON object : View

Products Affected

gnu

gnutls_libtasn1

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

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