High severity · published Oct 22, 2017
CVE-2017-15227
Irssi before 1.0.5, while waiting for the channel synchronisation, may incorrectly fail to remove destroyed channels from the query list, resulting in use-after-free conditions…
7.5
CVSS
2.1%
EPSS
No
On KEV
Description
Irssi before 1.0.5, while waiting for the channel synchronisation, may incorrectly fail to remove destroyed channels from the query list, resulting in use-after-free conditions when updating the state later on.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.1% · higher than 81% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IR
Irssi · Irssi
through 1.0.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-15227
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-15227
Mailing List
http://openwall.com/lists/oss-security/2017/10/22/4
Mitigation
https://irssi.org/security/irssi_sa_2017_10.txt
lists.debian.org
https://lists.debian.org/debian-lts-announce/2017/12/msg00022.html
www.debian.org
https://www.debian.org/security/2017/dsa-4016
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