CVE-2017-8843 - Vulnerability Details - OpenCVE

Description

The join_pthread function in stream.c in liblrzip.so in lrzip 0.631 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted archive.

Published: 2017-05-08

Score: 5.5 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:long_range_zip_project:long_range_zip:0.631:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2017-17785	The join_pthread function in stream.c in liblrzip.so in lrzip 0.631 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted archive.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00184.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://blogs.gentoo.org/ago/2017/05/07/lrzip-null-pointer-dereference-in-join_pthread-stream-c/
https://github.com/ckolivas/lrzip/issues/69
https://security.gentoo.org/glsa/202005-01

History

No history.

Subscriptions

Long Range Zip Project Long Range Zip

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2017-05-08T14:00:00.000Z

Updated: 2024-08-05T16:48:22.843Z

Reserved: 2017-05-08T00:00:00.000Z

Link: CVE-2017-8843

Vulnrichment

No data.

NVD

Status : Modified

Published: 2017-05-08T14:29:00.200

Modified: 2026-05-13T00:24:29.033

Link: CVE-2017-8843

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-476

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2017-05-08T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "The join_pthread function in stream.c in liblrzip.so in lrzip 0.631 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted archive."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-05-13T00:06:38.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://github.com/ckolivas/lrzip/issues/69"}, {"tags": ["x_refsource_MISC"], "url": "https://blogs.gentoo.org/ago/2017/05/07/lrzip-null-pointer-dereference-in-join_pthread-stream-c/"}, {"name": "GLSA-202005-01", "tags": ["vendor-advisory", "x_refsource_GENTOO"], "url": "https://security.gentoo.org/glsa/202005-01"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2017-8843", "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 join_pthread function in stream.c in liblrzip.so in lrzip 0.631 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted archive."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://github.com/ckolivas/lrzip/issues/69", "refsource": "MISC", "url": "https://github.com/ckolivas/lrzip/issues/69"}, {"name": "https://blogs.gentoo.org/ago/2017/05/07/lrzip-null-pointer-dereference-in-join_pthread-stream-c/", "refsource": "MISC", "url": "https://blogs.gentoo.org/ago/2017/05/07/lrzip-null-pointer-dereference-in-join_pthread-stream-c/"}, {"name": "GLSA-202005-01", "refsource": "GENTOO", "url": "https://security.gentoo.org/glsa/202005-01"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T16:48:22.843Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/ckolivas/lrzip/issues/69"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://blogs.gentoo.org/ago/2017/05/07/lrzip-null-pointer-dereference-in-join_pthread-stream-c/"}, {"name": "GLSA-202005-01", "tags": ["vendor-advisory", "x_refsource_GENTOO", "x_transferred"], "url": "https://security.gentoo.org/glsa/202005-01"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2017-8843", "datePublished": "2017-05-08T14:00:00.000Z", "dateReserved": "2017-05-08T00:00:00.000Z", "dateUpdated": "2024-08-05T16:48:22.843Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:long_range_zip_project:long_range_zip:0.631:*:*:*:*:*:*:*", "matchCriteriaId": "1808BE16-400E-4C1B-A88C-7C03BD427F5C", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The join_pthread function in stream.c in liblrzip.so in lrzip 0.631 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted archive."}, {"lang": "es", "value": "La funci\u00f3n join_pthread en stream.c en liblrzip.so de lrzip 0.631 permite que atacantes remotos causen una denegaci\u00f3n de servicio (desreferencia de puntero NULL y ca\u00edda de aplicaci\u00f3n) a trav\u00e9s de un archivo manipulado."}], "id": "CVE-2017-8843", "lastModified": "2026-05-13T00:24:29.033", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-05-08T14:29:00.200", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://blogs.gentoo.org/ago/2017/05/07/lrzip-null-pointer-dereference-in-join_pthread-stream-c/"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://github.com/ckolivas/lrzip/issues/69"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202005-01"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://blogs.gentoo.org/ago/2017/05/07/lrzip-null-pointer-dereference-in-join_pthread-stream-c/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://github.com/ckolivas/lrzip/issues/69"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202005-01"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}