High severity · published Mar 3, 2017
CVE-2017-5356
Irssi before 0.8.21 allows remote attackers to cause a denial of service (out-of-bounds read and crash) via a string containing a formatting sequence (%[) without a closing…
7.5
CVSS
4.8%
EPSS
No
On KEV
Description
Irssi before 0.8.21 allows remote attackers to cause a denial of service (out-of-bounds read and crash) via a string containing a formatting sequence (%[) without a closing bracket (]).
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)4.8% · higher than 92% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
7.0 · source: NVD
IR
Irssi · Irssi
before 0.8.21 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-5356
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-5356
Mailing List
http://www.openwall.com/lists/oss-security/2017/01/12/8
Mailing List
http://www.openwall.com/lists/oss-security/2017/01/13/2
Third Party Advisory
http://www.securityfocus.com/bid/96581
Exploit
https://blog.fuzzing-project.org/55-Fuzzing-Irssi-with-Perl-Scripts.html
Patch
https://irssi.org/security/irssi_sa_2017_01.txt
Mailing List
https://lists.debian.org/debian-lts-announce/2017/12/msg00022.html
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