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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.

Published

2017-05-22T19:29:00.250

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 8.8 (HIGH)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

6.4

Weaknesses

Type: Primary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	gnu	libtasn1	4.10	Yes
Operating System	debian	debian_linux	8.0	Yes
Application	apache	bookkeeper	4.12.1	Yes

References

http://git.savannah.gnu.org/gitweb/?p=libtasn1.git%3Ba=commit%3Bh=5520704d075802df25ce4ffccc010ba1641bd484 ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00018.html Broken Link ([email protected])
http://www.debian.org/security/2017/dsa-3861 Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/98641 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1038619 Third Party Advisory, VDB Entry ([email protected])
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E ([email protected])
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E ([email protected])
https://secuniaresearch.flexerasoftware.com/advisories/76125/ Permissions Required ([email protected])
https://secuniaresearch.flexerasoftware.com/secunia_research/2017-11/ Patch, Third Party Advisory ([email protected])
https://security.gentoo.org/glsa/201710-11 Third Party Advisory ([email protected])
http://git.savannah.gnu.org/gitweb/?p=libtasn1.git%3Ba=commit%3Bh=5520704d075802df25ce4ffccc010ba1641bd484 (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00018.html Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2017/dsa-3861 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/98641 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1038619 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E (af854a3a-2127-422b-91ae-364da2661108)
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E (af854a3a-2127-422b-91ae-364da2661108)
https://secuniaresearch.flexerasoftware.com/advisories/76125/ Permissions Required (af854a3a-2127-422b-91ae-364da2661108)
https://secuniaresearch.flexerasoftware.com/secunia_research/2017-11/ Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201710-11 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)