CVE-2017-6891

Description

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.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.78% Top 30%
Vendor Advisory gentoo.org Vendor Advisory debian.org Vendor Advisory opensuse.org
Affected: Flexera Software LLC GnuTLS libtasn1
Published at:
Updated at:

References

Link Tags
https://security.gentoo.org/glsa/201710-11 third party advisory vendor advisory
http://www.debian.org/security/2017/dsa-3861 third party advisory vendor advisory
https://secuniaresearch.flexerasoftware.com/advisories/76125/ permissions required
https://secuniaresearch.flexerasoftware.com/secunia_research/2017-11/ third party advisory patch
http://git.savannah.gnu.org/gitweb/?p=libtasn1.git%3Ba=commit%3Bh=5520704d075802df25ce4ffccc010ba1641bd484
http://www.securityfocus.com/bid/98641 vdb entry third party advisory
http://www.securitytracker.com/id/1038619 vdb entry third party advisory
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00018.html vendor advisory broken link
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E mailing list
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E mailing list

Frequently Asked Questions

What is the severity of CVE-2017-6891?
CVE-2017-6891 has been scored as a high severity vulnerability.
How to fix CVE-2017-6891?
To fix CVE-2017-6891, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-6891 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-6891 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-6891?
CVE-2017-6891 affects Flexera Software LLC GnuTLS libtasn1.
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