{"api_version":"1","generated_at":"2026-04-22T23:29:43+00:00","cve":"CVE-2017-6891","urls":{"html":"https://cve.report/CVE-2017-6891","api":"https://cve.report/api/cve/CVE-2017-6891.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2017-6891","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-6891"},"summary":{"title":"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.","state":"PUBLIC","assigner":"PSIRT-CNA@flexerasoftware.com","published_at":"2017-05-22 19:29:00","updated_at":"2023-11-07 02:49:00"},"problem_types":["CWE-787"],"metrics":[],"references":[{"url":"https://secuniaresearch.flexerasoftware.com/secunia_research/2017-11/","name":"https://secuniaresearch.flexerasoftware.com/secunia_research/2017-11/","refsource":"MISC","tags":["Patch","Third Party Advisory"],"title":"Computer Security Research  - Secunia","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://git.savannah.gnu.org/gitweb/?p=libtasn1.git;a=commit;h=5520704d075802df25ce4ffccc010ba1641bd484","name":"http://git.savannah.gnu.org/gitweb/?p=libtasn1.git;a=commit;h=5520704d075802df25ce4ffccc010ba1641bd484","refsource":"CONFIRM","tags":["Patch","Vendor Advisory"],"title":"Savannah Git Hosting - libtasn1.git/commit","mime":"text/xml","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E","name":"[bookkeeper-issues] 20210628 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8","refsource":"","tags":[],"title":"","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://security.gentoo.org/glsa/201710-11","name":"GLSA-201710-11","refsource":"GENTOO","tags":[],"title":"GNU Libtasn1: Multiple vulnerabilities (GLSA 201710-11) — Gentoo security","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E","name":"[bookkeeper-issues] 20210629 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8","refsource":"MLIST","tags":[],"title":"Pony Mail!","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00018.html","name":"openSUSE-SU-2019:1510","refsource":"SUSE","tags":[],"title":"[security-announce] openSUSE-SU-2019:1510-1: moderate: Security update f","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://secuniaresearch.flexerasoftware.com/advisories/76125/","name":"https://secuniaresearch.flexerasoftware.com/advisories/76125/","refsource":"MISC","tags":["Permissions Required"],"title":"Security Advisory SA76125 - GnuTLS libtasn1 &quot;asn1_find_node()&quot; Buffer Overflow Vulnerabilities - Secunia","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E","name":"[bookkeeper-issues] 20210628 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8","refsource":"MLIST","tags":[],"title":"Pony Mail!","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E","name":"[bookkeeper-issues] 20210629 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8","refsource":"","tags":[],"title":"","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://git.savannah.gnu.org/gitweb/?p=libtasn1.git%3Ba=commit%3Bh=5520704d075802df25ce4ffccc010ba1641bd484","name":"http://git.savannah.gnu.org/gitweb/?p=libtasn1.git%3Ba=commit%3Bh=5520704d075802df25ce4ffccc010ba1641bd484","refsource":"","tags":[],"title":"Savannah Git Hosting - libtasn1.git/commit","mime":"text/xml","httpstatus":"404","archivestatus":"200"},{"url":"http://www.securitytracker.com/id/1038619","name":"1038619","refsource":"SECTRACK","tags":[],"title":"libtASN1 Stack Overflow in asn1_find_node() in Processing Assignment Files Lets Remote Users Execute Arbitrary Code - SecurityTracker","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.securityfocus.com/bid/98641","name":"98641","refsource":"BID","tags":[],"title":"GnuTLS CVE-2017-6891 Stack Buffer Overflow Vulnerability","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"http://www.debian.org/security/2017/dsa-3861","name":"DSA-3861","refsource":"DEBIAN","tags":[],"title":"Debian -- Security Information -- DSA-3861-1 libtasn1-6","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-6891","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-6891","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2017","cve_id":"6891","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"apache","cpe5":"bookkeeper","cpe6":"4.12.1","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"6891","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"debian","cpe5":"debian_linux","cpe6":"8.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"6891","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"gnu","cpe5":"gnutls_libtasn1","cpe6":"4.10","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"6891","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"gnu","cpe5":"gnutls_libtasn1","cpe6":"4.10","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"6891","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"gnu","cpe5":"libtasn1","cpe6":"4.10","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2017-6891","qid":"710419","title":"Gentoo Linux GNU Libtasn1 Multiple Vulnerabilities (GLSA 201710-11)"}]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"PSIRT-CNA@flexerasoftware.com","ID":"CVE-2017-6891","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"GnuTLS libtasn1","version":{"version_data":[{"version_value":"4.10. Other versions may also be affected."}]}}]},"vendor_name":"Flexera Software LLC"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"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."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Stack-based buffer overflow leading to system compromise"}]}]},"references":{"reference_data":[{"name":"GLSA-201710-11","refsource":"GENTOO","url":"https://security.gentoo.org/glsa/201710-11"},{"name":"DSA-3861","refsource":"DEBIAN","url":"http://www.debian.org/security/2017/dsa-3861"},{"name":"https://secuniaresearch.flexerasoftware.com/advisories/76125/","refsource":"MISC","url":"https://secuniaresearch.flexerasoftware.com/advisories/76125/"},{"name":"https://secuniaresearch.flexerasoftware.com/secunia_research/2017-11/","refsource":"MISC","url":"https://secuniaresearch.flexerasoftware.com/secunia_research/2017-11/"},{"name":"http://git.savannah.gnu.org/gitweb/?p=libtasn1.git;a=commit;h=5520704d075802df25ce4ffccc010ba1641bd484","refsource":"CONFIRM","url":"http://git.savannah.gnu.org/gitweb/?p=libtasn1.git;a=commit;h=5520704d075802df25ce4ffccc010ba1641bd484"},{"name":"98641","refsource":"BID","url":"http://www.securityfocus.com/bid/98641"},{"name":"1038619","refsource":"SECTRACK","url":"http://www.securitytracker.com/id/1038619"},{"refsource":"SUSE","name":"openSUSE-SU-2019:1510","url":"http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00018.html"},{"refsource":"MLIST","name":"[bookkeeper-issues] 20210628 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8","url":"https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E"},{"refsource":"MLIST","name":"[bookkeeper-issues] 20210629 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8","url":"https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E"}]}},"nvd":{"publishedDate":"2017-05-22 19:29:00","lastModifiedDate":"2023-11-07 02:49:00","problem_types":["CWE-787"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.9},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:P/I:P/A:P","accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL","baseScore":6.8},"severity":"MEDIUM","exploitabilityScore":8.6,"impactScore":6.4,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:gnu:libtasn1:4.10:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:apache:bookkeeper:4.12.1:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2017","CveId":"6891","Ordinal":"103584","Title":"CVE-2017-6891","CVE":"CVE-2017-6891","Year":"2017"},"notes":[{"CveYear":"2017","CveId":"6891","Ordinal":"1","NoteData":"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.","Type":"Description","Title":null},{"CveYear":"2017","CveId":"6891","Ordinal":"2","NoteData":"2017-05-22","Type":"Other","Title":"Published"},{"CveYear":"2017","CveId":"6891","Ordinal":"3","NoteData":"2021-06-29","Type":"Other","Title":"Modified"}]}}}