CVE-2015-8791 - Vulnerability Details - OpenCVE

The EbmlElement::ReadCodedSizeValue function in libEBML before 1.3.3 allows context-dependent attackers to obtain sensitive information from process heap memory via a crafted length value in an EBML id, which triggers an invalid memory access.

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction Required

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Matroska	Libebml

Configuration 1 [-]

cpe:2.3:a:matroska:libebml:*:*:*:*:*:*:*:*

No data.

References

Link	Providers
http://lists.matroska.org/pipermail/matroska-users/2015-October/006985.html
http://lists.opensuse.org/opensuse-updates/2016-01/msg00035.html
http://www.debian.org/security/2016/dsa-3538
https://github.com/Matroska-Org/libebml/blob/release-1.3.3/ChangeLog
https://github.com/Matroska-Org/libebml/commit/24e5cd7c666b1ddd85619d60486db0a5481c1b90

History

No history.

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2016-01-29T19:00:00

Updated: 2024-08-06T08:29:22.061Z

Reserved: 2016-01-29T00:00:00

Link: CVE-2015-8791

Vulnrichment

No data.

NVD

Status : Deferred

Published: 2016-01-29T19:59:03.217

Modified: 2025-04-12T10:46:40.837

Link: CVE-2015-8791

Redhat

No data.

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2015-10-20T00:00:00", "descriptions": [{"lang": "en", "value": "The EbmlElement::ReadCodedSizeValue function in libEBML before 1.3.3 allows context-dependent attackers to obtain sensitive information from process heap memory via a crafted length value in an EBML id, which triggers an invalid memory access."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2016-11-30T18:57:01", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "DSA-3538", "tags": ["vendor-advisory", "x_refsource_DEBIAN"], "url": "http://www.debian.org/security/2016/dsa-3538"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/Matroska-Org/libebml/commit/24e5cd7c666b1ddd85619d60486db0a5481c1b90"}, {"name": "openSUSE-SU-2016:0125", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-updates/2016-01/msg00035.html"}, {"name": "[matroska-users] 20151020 libEBML v1.3.3, libMatroska v1.4.4 released: important fixes", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://lists.matroska.org/pipermail/matroska-users/2015-October/006985.html"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/Matroska-Org/libebml/blob/release-1.3.3/ChangeLog"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2015-8791", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The EbmlElement::ReadCodedSizeValue function in libEBML before 1.3.3 allows context-dependent attackers to obtain sensitive information from process heap memory via a crafted length value in an EBML id, which triggers an invalid memory access."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "DSA-3538", "refsource": "DEBIAN", "url": "http://www.debian.org/security/2016/dsa-3538"}, {"name": "https://github.com/Matroska-Org/libebml/commit/24e5cd7c666b1ddd85619d60486db0a5481c1b90", "refsource": "CONFIRM", "url": "https://github.com/Matroska-Org/libebml/commit/24e5cd7c666b1ddd85619d60486db0a5481c1b90"}, {"name": "openSUSE-SU-2016:0125", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-updates/2016-01/msg00035.html"}, {"name": "[matroska-users] 20151020 libEBML v1.3.3, libMatroska v1.4.4 released: important fixes", "refsource": "MLIST", "url": "http://lists.matroska.org/pipermail/matroska-users/2015-October/006985.html"}, {"name": "https://github.com/Matroska-Org/libebml/blob/release-1.3.3/ChangeLog", "refsource": "CONFIRM", "url": "https://github.com/Matroska-Org/libebml/blob/release-1.3.3/ChangeLog"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T08:29:22.061Z"}, "title": "CVE Program Container", "references": [{"name": "DSA-3538", "tags": ["vendor-advisory", "x_refsource_DEBIAN", "x_transferred"], "url": "http://www.debian.org/security/2016/dsa-3538"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/Matroska-Org/libebml/commit/24e5cd7c666b1ddd85619d60486db0a5481c1b90"}, {"name": "openSUSE-SU-2016:0125", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-updates/2016-01/msg00035.html"}, {"name": "[matroska-users] 20151020 libEBML v1.3.3, libMatroska v1.4.4 released: important fixes", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://lists.matroska.org/pipermail/matroska-users/2015-October/006985.html"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/Matroska-Org/libebml/blob/release-1.3.3/ChangeLog"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2015-8791", "datePublished": "2016-01-29T19:00:00", "dateReserved": "2016-01-29T00:00:00", "dateUpdated": "2024-08-06T08:29:22.061Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:matroska:libebml:*:*:*:*:*:*:*:*", "matchCriteriaId": "96E02511-A860-4F99-9DD2-37F63856A267", "versionEndIncluding": "1.3.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The EbmlElement::ReadCodedSizeValue function in libEBML before 1.3.3 allows context-dependent attackers to obtain sensitive information from process heap memory via a crafted length value in an EBML id, which triggers an invalid memory access."}, {"lang": "es", "value": "La funci\u00f3n EbmlElement::ReadCodedSizeValue en libEBML en versiones anteriores a 1.3.3 permite a atacantes dependientes del contexto obtener informaci\u00f3n sensible desde la memoria din\u00e1mica de proceso a trav\u00e9s de un valor de longitud manipulado en un id EBML, lo que desencadena un acceso de memoria no v\u00e1lido."}], "id": "CVE-2015-8791", "lastModified": "2025-04-12T10:46:40.837", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2016-01-29T19:59:03.217", "references": [{"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://lists.matroska.org/pipermail/matroska-users/2015-October/006985.html"}, {"source": "cve@mitre.org", "url": "http://lists.opensuse.org/opensuse-updates/2016-01/msg00035.html"}, {"source": "cve@mitre.org", "url": "http://www.debian.org/security/2016/dsa-3538"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://github.com/Matroska-Org/libebml/blob/release-1.3.3/ChangeLog"}, {"source": "cve@mitre.org", "url": "https://github.com/Matroska-Org/libebml/commit/24e5cd7c666b1ddd85619d60486db0a5481c1b90"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://lists.matroska.org/pipermail/matroska-users/2015-October/006985.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-updates/2016-01/msg00035.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.debian.org/security/2016/dsa-3538"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://github.com/Matroska-Org/libebml/blob/release-1.3.3/ChangeLog"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://github.com/Matroska-Org/libebml/commit/24e5cd7c666b1ddd85619d60486db0a5481c1b90"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}], "source": "nvd@nist.gov", "type": "Primary"}]}