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Vulnerability record · CVE-2008-1501 · published 25 March 2008

CVE-2008-1501: Ircu vulnerability

IIrcu · Ircu

The send_user_mode function in s_user.c in (1) Undernet ircu 2.10.12.12 and earlier, (2) snircd 1.3.4 and earlier, and unspecified other ircu derivatives allows remote attackers to cause a denial of service (daemon crash) via a malformed MODE command.

5.0 CVSS 2.0 Medium EPSS 5.2% · top 7.8%
5.0CVSS 2.0 base score
5.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
30References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

The send_user_mode function in s_user.c in (1) Undernet ircu 2.10.12.12 and earlier, (2) snircd 1.3.4 and earlier, and unspecified other ircu derivatives allows remote attackers to cause a denial of service (daemon crash) via a malformed MODE command.

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://hg.quakenet.org/snircd/rev/2da2b881d9f5
http://lists.grok.org.uk/pipermail/full-disclosure/2008-March/060906.html Exploit
http://osvdb.org/43613
http://secunia.com/advisories/29481 Vendor Advisory
http://secunia.com/advisories/29486 Vendor Advisory
http://securityreason.com/securityalert/3779
http://www.securityfocus.com/archive/1/489990/100/0/threaded
http://www.securityfocus.com/bid/28413
http://www.securitytracker.com/id?1019687
http://www.securitytracker.com/id?1019688
http://www.vupen.com/english/advisories/2008/0977
http://www.vupen.com/english/advisories/2008/0978
https://exchange.xforce.ibmcloud.com/vulnerabilities/41397
https://exchange.xforce.ibmcloud.com/vulnerabilities/41401
https://www.exploit-db.com/exploits/5306
http://hg.quakenet.org/snircd/rev/2da2b881d9f5
http://lists.grok.org.uk/pipermail/full-disclosure/2008-March/060906.html Exploit
http://osvdb.org/43613
http://secunia.com/advisories/29481 Vendor Advisory
http://secunia.com/advisories/29486 Vendor Advisory
http://securityreason.com/securityalert/3779
http://www.securityfocus.com/archive/1/489990/100/0/threaded
http://www.securityfocus.com/bid/28413
http://www.securitytracker.com/id?1019687
http://www.securitytracker.com/id?1019688
http://www.vupen.com/english/advisories/2008/0977
http://www.vupen.com/english/advisories/2008/0978
https://exchange.xforce.ibmcloud.com/vulnerabilities/41397
https://exchange.xforce.ibmcloud.com/vulnerabilities/41401
https://www.exploit-db.com/exploits/5306

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Source: NIST National Vulnerability Database (record CVE-2008-1501), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.