Vulnerability Description
In Irssi before 1.0.5, certain incorrectly formatted DCC CTCP messages could cause a NULL pointer dereference. This is a separate, but similar, issue relative to CVE-2017-9468.
CVSS Score
7.5
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Irssi | Irssi | <= 1.0.4 |
| Debian | Debian Linux | 7.0 |
Related Weaknesses (CWE)
References
- http://openwall.com/lists/oss-security/2017/10/22/4Mailing ListMitigationPatch
- https://irssi.org/security/irssi_sa_2017_10.txtMitigationPatchVendor Advisory
- https://lists.debian.org/debian-lts-announce/2017/12/msg00022.htmlMailing ListThird Party Advisory
- https://www.debian.org/security/2017/dsa-4016Third Party Advisory
- http://openwall.com/lists/oss-security/2017/10/22/4Mailing ListMitigationPatch
- https://irssi.org/security/irssi_sa_2017_10.txtMitigationPatchVendor Advisory
- https://lists.debian.org/debian-lts-announce/2017/12/msg00022.htmlMailing ListThird Party Advisory
- https://www.debian.org/security/2017/dsa-4016Third Party Advisory
FAQ
What is CVE-2017-15721?
CVE-2017-15721 is a vulnerability with a CVSS score of 7.5 (HIGH). In Irssi before 1.0.5, certain incorrectly formatted DCC CTCP messages could cause a NULL pointer dereference. This is a separate, but similar, issue relative to CVE-2017-9468.
How severe is CVE-2017-15721?
CVE-2017-15721 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-15721?
Check the references section above for vendor advisories and patch information. Affected products include: Irssi Irssi, Debian Debian Linux.