CVE-2017-6891
Summary
| CVE | CVE-2017-6891 |
|---|---|
| State | PUBLISHED |
| Assigner | flexera |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2017-05-22 19:29:00 UTC |
| Updated | 2025-04-20 01:37:25 UTC |
| 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. |
Risk And Classification
Primary CVSS: v3.1 8.8 HIGH from [email protected]
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Problem Types: CWE-787 | Stack-based buffer overflow leading to system compromise
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Primary | 8.8 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| 2.0 | [email protected] | Primary | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
RequiredScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
MediumAuthentication
NoneConfidentiality
PartialIntegrity
PartialAvailability
PartialAV:N/AC:M/Au:N/C:P/I:P/A:P
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Apache | Bookkeeper | 4.12.1 | All | All | All |
| Operating System | Debian | Debian Linux | 8.0 | All | All | All |
| Application | Gnu | Libtasn1 | 4.10 | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Flexera Software LLC | GnuTLS Libtasn1 | affected 4.10. Other versions may also be affected. | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Savannah Git Hosting - libtasn1.git/commit | af854a3a-2127-422b-91ae-364da2661108 | git.savannah.gnu.org | |
| [security-announce] openSUSE-SU-2019:1510-1: moderate: Security update f | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | Broken Link |
| GnuTLS CVE-2017-6891 Stack Buffer Overflow Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | Third Party Advisory, VDB Entry |
| GNU Libtasn1: Multiple vulnerabilities (GLSA 201710-11) — Gentoo security | af854a3a-2127-422b-91ae-364da2661108 | security.gentoo.org | Third Party Advisory |
| lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e69... | af854a3a-2127-422b-91ae-364da2661108 | lists.apache.org | |
| Security Advisory SA76125 - GnuTLS libtasn1 "asn1_find_node()" Buffer Overflow Vulnerabilities - Secunia | af854a3a-2127-422b-91ae-364da2661108 | secuniaresearch.flexerasoftware.com | Permissions Required |
| libtASN1 Stack Overflow in asn1_find_node() in Processing Assignment Files Lets Remote Users Execute Arbitrary Code - SecurityTracker | af854a3a-2127-422b-91ae-364da2661108 | www.securitytracker.com | Third Party Advisory, VDB Entry |
| Computer Security Research - Secunia | af854a3a-2127-422b-91ae-364da2661108 | secuniaresearch.flexerasoftware.com | Patch, Third Party Advisory |
| Debian -- Security Information -- DSA-3861-1 libtasn1-6 | af854a3a-2127-422b-91ae-364da2661108 | www.debian.org | Third Party Advisory |
| lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450... | af854a3a-2127-422b-91ae-364da2661108 | lists.apache.org | |
| Savannah Git Hosting - libtasn1.git/commit | MITRE | git.savannah.gnu.org | |
| Pony Mail! | MITRE | lists.apache.org | |
| Pony Mail! | MITRE | lists.apache.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 710419 Gentoo Linux GNU Libtasn1 Multiple Vulnerabilities (GLSA 201710-11)