CVE-2010-0303 - Vulnerability Details - OpenCVE

Description

mystring.c in hybserv in IRCD-Hybrid (aka Hybrid2 IRC Services) 1.9.2 through 1.9.4 allows remote attackers to cause a denial of service (daemon crash) via a ":help \t" private message to the MemoServ service.

Published: 2010-02-04

Score: 5.0 Medium

EPSS: 14.6% Moderate

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:dinko_korunic:hybserv2:1.9.2:::::::*
	cpe:2.3:a:dinko_korunic:hybserv2:1.9.3:::::::*
	cpe:2.3:a:dinko_korunic:hybserv2:1.9.4:::::::*

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
Debian DSA	DSA-1982-1	New hybserv packages fix denial of service

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 0.14552.

Key SSVC decision points have not yet been added.

References

Link	Providers
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=550389
http://marc.info/?l=oss-security&m=126476591925300&w=2
http://secunia.com/advisories/38350
http://secunia.com/advisories/38352
http://security.debian.org/pool/updates/main/h/hybserv/hybserv_1.9.2-4+lenny2.diff.gz
http://www.debian.org/security/2010/dsa-1982
http://www.securityfocus.com/bid/38006
https://exchange.xforce.ibmcloud.com/vulnerabilities/55992

History

No history.

Subscriptions

Dinko Korunic Hybserv2

MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2010-02-04T18:00:00.000Z

Updated: 2024-08-07T00:45:11.975Z

Reserved: 2010-01-12T00:00:00.000Z

Link: CVE-2010-0303

Vulnrichment

No data.

NVD

Status : Modified

Published: 2010-02-04T20:15:23.937

Modified: 2026-04-29T01:13:23.040

Link: CVE-2010-0303

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-20

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2010-01-29T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "mystring.c in hybserv in IRCD-Hybrid (aka Hybrid2 IRC Services) 1.9.2 through 1.9.4 allows remote attackers to cause a denial of service (daemon crash) via a \":help \\t\" private message to the MemoServ service."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2017-08-16T14:57:01.000Z", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"name": "38006", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/38006"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://security.debian.org/pool/updates/main/h/hybserv/hybserv_1.9.2-4+lenny2.diff.gz"}, {"name": "hybserv2-privatemessage-dos(55992)", "tags": ["vdb-entry", "x_refsource_XF"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/55992"}, {"name": "[oss-security] 20100129 Re: CVE id: hybserv", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://marc.info/?l=oss-security&m=126476591925300&w=2"}, {"name": "38350", "tags": ["third-party-advisory", "x_refsource_SECUNIA"], "url": "http://secunia.com/advisories/38350"}, {"name": "DSA-1982", "tags": ["vendor-advisory", "x_refsource_DEBIAN"], "url": "http://www.debian.org/security/2010/dsa-1982"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=550389"}, {"name": "38352", "tags": ["third-party-advisory", "x_refsource_SECUNIA"], "url": "http://secunia.com/advisories/38352"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "secalert@redhat.com", "ID": "CVE-2010-0303", "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": "mystring.c in hybserv in IRCD-Hybrid (aka Hybrid2 IRC Services) 1.9.2 through 1.9.4 allows remote attackers to cause a denial of service (daemon crash) via a \":help \\t\" private message to the MemoServ service."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "38006", "refsource": "BID", "url": "http://www.securityfocus.com/bid/38006"}, {"name": "http://security.debian.org/pool/updates/main/h/hybserv/hybserv_1.9.2-4+lenny2.diff.gz", "refsource": "CONFIRM", "url": "http://security.debian.org/pool/updates/main/h/hybserv/hybserv_1.9.2-4+lenny2.diff.gz"}, {"name": "hybserv2-privatemessage-dos(55992)", "refsource": "XF", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/55992"}, {"name": "[oss-security] 20100129 Re: CVE id: hybserv", "refsource": "MLIST", "url": "http://marc.info/?l=oss-security&m=126476591925300&w=2"}, {"name": "38350", "refsource": "SECUNIA", "url": "http://secunia.com/advisories/38350"}, {"name": "DSA-1982", "refsource": "DEBIAN", "url": "http://www.debian.org/security/2010/dsa-1982"}, {"name": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=550389", "refsource": "CONFIRM", "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=550389"}, {"name": "38352", "refsource": "SECUNIA", "url": "http://secunia.com/advisories/38352"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-07T00:45:11.975Z"}, "title": "CVE Program Container", "references": [{"name": "38006", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/38006"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://security.debian.org/pool/updates/main/h/hybserv/hybserv_1.9.2-4+lenny2.diff.gz"}, {"name": "hybserv2-privatemessage-dos(55992)", "tags": ["vdb-entry", "x_refsource_XF", "x_transferred"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/55992"}, {"name": "[oss-security] 20100129 Re: CVE id: hybserv", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://marc.info/?l=oss-security&m=126476591925300&w=2"}, {"name": "38350", "tags": ["third-party-advisory", "x_refsource_SECUNIA", "x_transferred"], "url": "http://secunia.com/advisories/38350"}, {"name": "DSA-1982", "tags": ["vendor-advisory", "x_refsource_DEBIAN", "x_transferred"], "url": "http://www.debian.org/security/2010/dsa-1982"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=550389"}, {"name": "38352", "tags": ["third-party-advisory", "x_refsource_SECUNIA", "x_transferred"], "url": "http://secunia.com/advisories/38352"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2010-0303", "datePublished": "2010-02-04T18:00:00.000Z", "dateReserved": "2010-01-12T00:00:00.000Z", "dateUpdated": "2024-08-07T00:45:11.975Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:dinko_korunic:hybserv2:1.9.2:*:*:*:*:*:*:*", "matchCriteriaId": "1F4FFEEC-F835-498F-ABBB-A8424D4EC7AA", "vulnerable": true}, {"criteria": "cpe:2.3:a:dinko_korunic:hybserv2:1.9.3:*:*:*:*:*:*:*", "matchCriteriaId": "DE383573-A954-4384-9A72-04F56044CB45", "vulnerable": true}, {"criteria": "cpe:2.3:a:dinko_korunic:hybserv2:1.9.4:*:*:*:*:*:*:*", "matchCriteriaId": "9BB15D04-603B-40ED-97A2-D28EF947397E", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "mystring.c in hybserv in IRCD-Hybrid (aka Hybrid2 IRC Services) 1.9.2 through 1.9.4 allows remote attackers to cause a denial of service (daemon crash) via a \":help \\t\" private message to the MemoServ service."}, {"lang": "es", "value": "mystring.c en hybserv en IRCD-Hybrid (tambi\u00e9n conocido como Hybrid2 IRC Services) v1.9.2 hasta v1.9.4 permite a atacantes remotos causar una denegaci\u00f3n de servicio (ca\u00edda demonio) a trav\u00e9s de un mensaje privado \":help \\t\" en el servicio MemoServ."}], "id": "CVE-2010-0303", "lastModified": "2026-04-29T01:13:23.040", "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": "2010-02-04T20:15:23.937", "references": [{"source": "secalert@redhat.com", "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=550389"}, {"source": "secalert@redhat.com", "url": "http://marc.info/?l=oss-security&m=126476591925300&w=2"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/38350"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/38352"}, {"source": "secalert@redhat.com", "tags": ["Patch"], "url": "http://security.debian.org/pool/updates/main/h/hybserv/hybserv_1.9.2-4+lenny2.diff.gz"}, {"source": "secalert@redhat.com", "url": "http://www.debian.org/security/2010/dsa-1982"}, {"source": "secalert@redhat.com", "url": "http://www.securityfocus.com/bid/38006"}, {"source": "secalert@redhat.com", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/55992"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=550389"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://marc.info/?l=oss-security&m=126476591925300&w=2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/38350"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/38352"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://security.debian.org/pool/updates/main/h/hybserv/hybserv_1.9.2-4+lenny2.diff.gz"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.debian.org/security/2010/dsa-1982"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/38006"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/55992"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}