CVE-2001-0738 - Vulnerability Details - OpenCVE

Description

LogLine function in klogd in sysklogd 1.3 in various Linux distributions allows an attacker to cause a denial of service (hang) by causing null bytes to be placed in log messages.

Published: 2002-03-09

Score: 5.0 Medium

EPSS: 1.6% 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 [-]

OR	cpe:2.3:a:immunix:immunix:6.2:::::::*
	cpe:2.3:a:immunix:immunix:7.0:::::::*
	cpe:2.3:a:immunix:immunix:7.0_beta:::::::*

Configuration 2 [-]

OR	cpe:2.3:o:debian:debian_linux:1.3:::::::*
	cpe:2.3:o:debian:debian_linux:2.2:::::::*

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-2001-0723	LogLine function in klogd in sysklogd 1.3 in various Linux distributions allows an attacker to cause a denial of service (hang) by causing null bytes to be placed in log messages.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.0158.

Key SSVC decision points have not yet been added.

References

Link	Providers
http://download.immunix.org/ImmunixOS/7.0/updates/IMNX-2001-70-026-01
http://marc.info/?l=bugtraq&m=99258618906506&w=2
http://www.kb.cert.org/vuls/id/249579
https://exchange.xforce.ibmcloud.com/vulnerabilities/7098

History

No history.

Subscriptions

Debian Debian Linux

Immunix Immunix

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2002-03-09T05:00:00.000Z

Updated: 2024-08-08T04:30:06.100Z

Reserved: 2001-10-12T00:00:00.000Z

Link: CVE-2001-0738

Vulnrichment

No data.

NVD

Status : Modified

Published: 2001-10-18T04:00:00.000

Modified: 2026-04-16T00:27:16.627

Link: CVE-2001-0738

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

NVD-CWE-Other

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2001-02-10T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "LogLine function in klogd in sysklogd 1.3 in various Linux distributions allows an attacker to cause a denial of service (hang) by causing null bytes to be placed in log messages."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2002-02-26T00:00:00.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "IMNX-2001-70-026-01", "tags": ["vendor-advisory", "x_refsource_IMMUNIX"], "url": "http://download.immunix.org/ImmunixOS/7.0/updates/IMNX-2001-70-026-01"}, {"name": "VU#249579", "tags": ["third-party-advisory", "x_refsource_CERT-VN"], "url": "http://www.kb.cert.org/vuls/id/249579"}, {"name": "klogd-null-byte-dos(7098)", "tags": ["vdb-entry", "x_refsource_XF"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/7098"}, {"name": "20010614 sysklogd update -- Immunix OS 6.2, 7.0-beta, 7.0", "tags": ["mailing-list", "x_refsource_BUGTRAQ"], "url": "http://marc.info/?l=bugtraq&m=99258618906506&w=2"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2001-0738", "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": "LogLine function in klogd in sysklogd 1.3 in various Linux distributions allows an attacker to cause a denial of service (hang) by causing null bytes to be placed in log messages."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "IMNX-2001-70-026-01", "refsource": "IMMUNIX", "url": "http://download.immunix.org/ImmunixOS/7.0/updates/IMNX-2001-70-026-01"}, {"name": "VU#249579", "refsource": "CERT-VN", "url": "http://www.kb.cert.org/vuls/id/249579"}, {"name": "klogd-null-byte-dos(7098)", "refsource": "XF", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/7098"}, {"name": "20010614 sysklogd update -- Immunix OS 6.2, 7.0-beta, 7.0", "refsource": "BUGTRAQ", "url": "http://marc.info/?l=bugtraq&m=99258618906506&w=2"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-08T04:30:06.100Z"}, "title": "CVE Program Container", "references": [{"name": "IMNX-2001-70-026-01", "tags": ["vendor-advisory", "x_refsource_IMMUNIX", "x_transferred"], "url": "http://download.immunix.org/ImmunixOS/7.0/updates/IMNX-2001-70-026-01"}, {"name": "VU#249579", "tags": ["third-party-advisory", "x_refsource_CERT-VN", "x_transferred"], "url": "http://www.kb.cert.org/vuls/id/249579"}, {"name": "klogd-null-byte-dos(7098)", "tags": ["vdb-entry", "x_refsource_XF", "x_transferred"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/7098"}, {"name": "20010614 sysklogd update -- Immunix OS 6.2, 7.0-beta, 7.0", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"], "url": "http://marc.info/?l=bugtraq&m=99258618906506&w=2"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2001-0738", "datePublished": "2002-03-09T05:00:00.000Z", "dateReserved": "2001-10-12T00:00:00.000Z", "dateUpdated": "2024-08-08T04:30:06.100Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:immunix:immunix:6.2:*:*:*:*:*:*:*", "matchCriteriaId": "DB0F79BE-8EBF-44D8-83A1-9331669BED54", "vulnerable": true}, {"criteria": "cpe:2.3:a:immunix:immunix:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "660CA978-FDA1-4D48-8162-9CB9243A1B7E", "vulnerable": true}, {"criteria": "cpe:2.3:a:immunix:immunix:7.0_beta:*:*:*:*:*:*:*", "matchCriteriaId": "1A2889C6-8DE0-4432-812A-F2A5C4A08897", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:1.3:*:*:*:*:*:*:*", "matchCriteriaId": "745ACC17-B6D6-4B4E-9648-A8B45C4A3F7A", "vulnerable": true}, {"criteria": "cpe:2.3:o:debian:debian_linux:2.2:*:*:*:*:*:*:*", "matchCriteriaId": "58B90124-0543-4226-BFF4-13CCCBCCB243", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "LogLine function in klogd in sysklogd 1.3 in various Linux distributions allows an attacker to cause a denial of service (hang) by causing null bytes to be placed in log messages."}], "id": "CVE-2001-0738", "lastModified": "2026-04-16T00:27:16.627", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2001-10-18T04:00:00.000", "references": [{"source": "cve@mitre.org", "url": "http://download.immunix.org/ImmunixOS/7.0/updates/IMNX-2001-70-026-01"}, {"source": "cve@mitre.org", "url": "http://marc.info/?l=bugtraq&m=99258618906506&w=2"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory", "US Government Resource"], "url": "http://www.kb.cert.org/vuls/id/249579"}, {"source": "cve@mitre.org", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/7098"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://download.immunix.org/ImmunixOS/7.0/updates/IMNX-2001-70-026-01"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://marc.info/?l=bugtraq&m=99258618906506&w=2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory", "US Government Resource"], "url": "http://www.kb.cert.org/vuls/id/249579"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/7098"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}