CVE-2017-6891
GnuTLS libtasn1 ASN1 Buffer Overflow Vulnerability
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.
INFO
Published Date :
May 22, 2017, 7:29 p.m.
Last Modified :
Nov. 7, 2023, 2:49 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
2.8
Public PoC/Exploit Available at Github
CVE-2017-6891 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2017-6891
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2017-6891.
| URL | Resource |
|---|---|
| http://git.savannah.gnu.org/gitweb/?p=libtasn1.git%3Ba=commit%3Bh=5520704d075802df25ce4ffccc010ba1641bd484 | |
| http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00018.html | Broken Link |
| http://www.debian.org/security/2017/dsa-3861 | Third Party Advisory |
| http://www.securityfocus.com/bid/98641 | Third Party Advisory VDB Entry |
| http://www.securitytracker.com/id/1038619 | Third 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/201710-11 | Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Map Vulnerabilities into Different Layers of the Container Image
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2017-6891 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2017-6891 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference Flexera Software LLC http://git.savannah.gnu.org/gitweb/?p=libtasn1.git%3Ba=commit%3Bh=5520704d075802df25ce4ffccc010ba1641bd484 [No types assigned] Added Reference Flexera Software LLC https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E [No types assigned] Added Reference Flexera Software LLC https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E [No types assigned] Removed Reference Flexera Software LLC http://git.savannah.gnu.org/gitweb/?p=libtasn1.git;a=commit;h=5520704d075802df25ce4ffccc010ba1641bd484 Removed Reference Flexera Software LLC https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E Removed Reference Flexera Software LLC https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E -
Modified Analysis by [email protected]
Feb. 03, 2023
Action Type Old Value New Value Removed CVSS V3 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00018.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00018.html Broken Link Changed Reference Type http://www.debian.org/security/2017/dsa-3861 No Types Assigned http://www.debian.org/security/2017/dsa-3861 Third Party Advisory Changed Reference Type http://www.securityfocus.com/bid/98641 No Types Assigned http://www.securityfocus.com/bid/98641 Third Party Advisory, VDB Entry Changed Reference Type http://www.securitytracker.com/id/1038619 No Types Assigned http://www.securitytracker.com/id/1038619 Third Party Advisory, VDB Entry Changed Reference Type https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E Mailing List, Third Party Advisory Changed Reference Type https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E Mailing List, Third Party Advisory Changed Reference Type https://security.gentoo.org/glsa/201710-11 No Types Assigned https://security.gentoo.org/glsa/201710-11 Third Party Advisory Removed CWE NIST CWE-119 Added CWE NIST CWE-787 Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:a:apache:bookkeeper:4.12.1:*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Dec. 05, 2022
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:gnu:gnutls_libtasn1:4.10:*:*:*:*:*:*:* OR *cpe:2.3:a:gnu:libtasn1:4.10:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jun. 29, 2021
Action Type Old Value New Value Added Reference https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E [No Types Assigned] -
CVE Modified by [email protected]
Jun. 28, 2021
Action Type Old Value New Value Added Reference https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E [No Types Assigned] -
CVE Modified by [email protected]
Jun. 05, 2019
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00018.html [No Types Assigned] -
CVE Modified by [email protected]
Nov. 04, 2017
Action Type Old Value New Value Added Reference http://www.debian.org/security/2017/dsa-3861 [No Types Assigned] -
CVE Modified by [email protected]
Oct. 15, 2017
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/201710-11 [No Types Assigned] -
CVE Modified by [email protected]
Jul. 08, 2017
Action Type Old Value New Value Added Reference http://www.securitytracker.com/id/1038619 [No Types Assigned] -
CVE Modified by [email protected]
Jun. 07, 2017
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/98641 [No Types Assigned] -
Initial Analysis by [email protected]
Jun. 02, 2017
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:M/Au:N/C:P/I:P/A:P) Added CVSS V3 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Changed Reference Type https://secuniaresearch.flexerasoftware.com/advisories/76125/ No Types Assigned https://secuniaresearch.flexerasoftware.com/advisories/76125/ Permissions Required Changed Reference Type https://secuniaresearch.flexerasoftware.com/secunia_research/2017-11/ No Types Assigned https://secuniaresearch.flexerasoftware.com/secunia_research/2017-11/ Patch, Third Party Advisory Changed Reference Type http://git.savannah.gnu.org/gitweb/?p=libtasn1.git;a=commit;h=5520704d075802df25ce4ffccc010ba1641bd484 No Types Assigned http://git.savannah.gnu.org/gitweb/?p=libtasn1.git;a=commit;h=5520704d075802df25ce4ffccc010ba1641bd484 Patch, Vendor Advisory Added CWE CWE-119 Added CPE Configuration OR *cpe:2.3:a:gnu:gnutls_libtasn1:4.10:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2017-6891 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2017-6891
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.23 }} -0.10%
score
0.60872
percentile