Home/CVE/In Irssi before 1.0.5, certain incorrectly formatted DCC CTCP messages could cause a NULL pointer dereference. This is a
CVE

CVE-2017-15721

In Irssi before 1.0.5, certain incorrectly formatted DCC CTCP messages could cause a NULL pointer dereference. This is a

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.

HIGH · CVSS 7.5 EPSS 0.00604
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-476NULL Pointer Dereference
▤

Affected Products & Versions

2
irssi<= 1.0.4
debian linuxall versions
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD22 Oct 2017 · 08:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

4
suse-csafopenSUSE-SU-2024:10865-1
usnUSN-3465-1
suse-csafopenSUSE-SU-2017:2832-1
suse-csafopenSUSE-SU-2017:2835-1
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://openwall.com/lists/oss-security/2017/10/22/4Mailing ListMitigationPatchThird Party Advisory
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
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