CVE-2017-6891 (GCVE-0-2017-6891)
Vulnerability from cvelistv5 – Published: 2017-05-22 19:00 – Updated: 2024-08-05 15:41
VLAI
EPSS
VEX
Summary
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.
Severity
8.8 (High)
CWE
- Stack-based buffer overflow leading to system compromise
Assigner
References
10 references
| URL | Tags |
|---|---|
| https://security.gentoo.org/glsa/201710-11 | vendor-advisoryx_refsource_GENTOO |
| http://www.debian.org/security/2017/dsa-3861 | vendor-advisoryx_refsource_DEBIAN |
| https://secuniaresearch.flexerasoftware.com/advis… | x_refsource_MISC |
| https://secuniaresearch.flexerasoftware.com/secun… | x_refsource_MISC |
| http://git.savannah.gnu.org/gitweb/?p=libtasn1.gi… | x_refsource_CONFIRM |
| http://www.securityfocus.com/bid/98641 | vdb-entryx_refsource_BID |
| http://www.securitytracker.com/id/1038619 | vdb-entryx_refsource_SECTRACK |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
| https://lists.apache.org/thread.html/rf4c02775860… | mailing-listx_refsource_MLIST |
| https://lists.apache.org/thread.html/r58af02e294b… | mailing-listx_refsource_MLIST |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Flexera Software LLC | GnuTLS libtasn1 |
Affected:
4.10. Other versions may also be affected.
|
guessed |
Date Public
2017-05-22 00:00
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Required\"]},{\"url\":\"https://secuniaresearch.flexerasoftware.com/secunia_research/2017-11/\",\"source\":\"PSIRT-CNA@flexerasoftware.com\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://security.gentoo.org/glsa/201710-11\",\"source\":\"PSIRT-CNA@flexerasoftware.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://git.savannah.gnu.org/gitweb/?p=libtasn1.git%3Ba=commit%3Bh=5520704d075802df25ce4ffccc010ba1641bd484\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00018.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Broken Link\"]},{\"url\":\"http://www.debian.org/security/2017/dsa-3861\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.securityfocus.com/bid/98641\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://www.securitytracker.com/id/1038619\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://secuniaresearch.flexerasoftware.com/advisories/76125/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Permissions Required\"]},{\"url\":\"https://secuniaresearch.flexerasoftware.com/secunia_research/2017-11/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://security.gentoo.org/glsa/201710-11\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}",
"redhat_vex": {
"aggregate_severity": "Low",
"current_release_date": "2026-05-13T03:56:01+00:00",
"cve": "CVE-2017-6891",
"id": "CVE-2017-6891",
"initial_release_date": "2017-05-18T00:00:00+00:00",
"product_status:known_affected": "13",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "libtasn1: Stack-based buffer overflow in asn1_find_node()",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2017/cve-2017-6891.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-09-13T00:18:39Z",
"cve": "CVE-2017-6891",
"id": "CVE-2017-6891",
"initial_release_date": "2023-02-15T04:48:38Z",
"product_status:known_not_affected": "333",
"product_status:recommended": "89",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2017-6891",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2017-6891.json",
"version": "20"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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