CVE-2018-7050
published 2018-02-15CVE-2018-7050: An issue was discovered in Irssi before 1.0.7 and 1.1.x before 1.1.1. A NULL pointer dereference occurs for an "empty" nick.
PriorityP433high7.5CVSS 3.0
AVNACLPRNUINSUCNINAH
EPSS
2.35%
81.8th percentile
An issue was discovered in Irssi before 1.0.7 and 1.1.x before 1.1.1. A NULL pointer dereference occurs for an "empty" nick.
Affected
13 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| debian | debian_linux | — | — |
| debian | irssi | < irssi 1.0.7-1 (bookworm) | irssi 1.0.7-1 (bookworm) |
| irssi | irssi | < 1.0.7 | 1.0.7 |
| irssi | irssi | — | — |
| irssi | irssi | >= 0 < 1.0.7-1 | 1.0.7-1 |
| irssi | irssi | >= 0 < 1.0.7-1 | 1.0.7-1 |
| irssi | irssi | >= 0 < 1.0.7-1 | 1.0.7-1 |
| irssi | irssi | >= 0 < 1.0.7-1 | 1.0.7-1 |
| irssi | irssi | >= 0 < 0.8.15-5ubuntu3.5 | 0.8.15-5ubuntu3.5 |
| irssi | irssi | >= 0 < 0.8.19-1ubuntu1.7 | 0.8.19-1ubuntu1.7 |
CVSS provenance
nvdv3.07.5HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
osv7.5HIGH
vendor_debian7.5HIGH
vendor_redhat7.5HIGH
vendor_ubuntu7.5HIGH
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GHSA
GHSA-96hj-65hm-4xjf: An issue was discovered in Irssi before 1
ghsa_unreviewed·2022-05-14
CVE-2018-7050 [HIGH] CWE-476 GHSA-96hj-65hm-4xjf: An issue was discovered in Irssi before 1
An issue was discovered in Irssi before 1.0.7 and 1.1.x before 1.1.1. A NULL pointer dereference occurs for an "empty" nick.
OSV
irssi vulnerabilities
osv·2018-03-06·CVSS 7.5
CVE-2018-7050 [HIGH] irssi vulnerabilities
irssi vulnerabilities
It was discovered that Irssi incorrectly handled certain empty
nick names. An attacker could possibly use this issue to cause a denial
of service. (CVE-2018-7050)
It was discovered that Irssi incorrectly handled certain nick names.
An attacker could possibly use this to access sensitive information.
(CVE-2018-7051)
It was discovered that Irssi incorrectly handled an increase in the
number of windows. An attacker could possibly use this issue to cause
a denial of service. (CVE-2018-7052)
It was discovered that Irssi incorrectly handled certain messages.
An attacker could possibly use this issue to cause a denial of service
or execute arbitrary code. This issue only affected Ubuntu 16.04 LTS and
Ubuntu 17.10. (CVE-2018-7053)
It was discovered that Irssi incorrectly
OSV
CVE-2018-7050: An issue was discovered in Irssi before 1
osv·2018-02-15·CVSS 7.5
CVE-2018-7050 [HIGH] CVE-2018-7050: An issue was discovered in Irssi before 1
An issue was discovered in Irssi before 1.0.7 and 1.1.x before 1.1.1. A NULL pointer dereference occurs for an "empty" nick.
Ubuntu
Irssi vulnerabilities
vendor_ubuntu·2018-03-06·CVSS 7.5
CVE-2018-7050 [HIGH] Irssi vulnerabilities
Title: Irssi vulnerabilities
Summary: Several security issues were fixed in Irssi.
It was discovered that Irssi incorrectly handled certain empty
nick names. An attacker could possibly use this issue to cause a denial
of service. (CVE-2018-7050)
It was discovered that Irssi incorrectly handled certain nick names.
An attacker could possibly use this to access sensitive information.
(CVE-2018-7051)
It was discovered that Irssi incorrectly handled an increase in the
number of windows. An attacker could possibly use this issue to cause
a denial of service. (CVE-2018-7052)
It was discovered that Irssi incorrectly handled certain messages.
An attacker could possibly use this issue to cause a denial of service
or execute arbitrary code. This issue only affected Ubuntu 16.04 LTS and
Ubuntu 17
Red Hat
irssi: Null pointer dereference when an "empty" nick joins a channel
vendor_redhat·2018-02-13·CVSS 7.5
CVE-2018-7050 [HIGH] CWE-476 irssi: Null pointer dereference when an "empty" nick joins a channel
irssi: Null pointer dereference when an "empty" nick joins a channel
An issue was discovered in Irssi before 1.0.7 and 1.1.x before 1.1.1. A NULL pointer dereference occurs for an "empty" nick.
A NULL pointer dereference was found in Irssi when an "empty" nick joins a channel. A remote attacker, who can control an IRC server, could crash IRC clients by leveraging this vulnerability.
Package: irssi (Red Hat Enterprise Linux 6) - Will not fix
Package: irssi (Red Hat Enterprise Linux 7) - Will not fix
Package: irssi (Red Hat Enterprise Linux 8) - Not affected
Debian
CVE-2018-7050: irssi - An issue was discovered in Irssi before 1.0.7 and 1.1.x before 1.1.1. A NULL poi...
vendor_debian·2018·CVSS 7.5
CVE-2018-7050 [HIGH] CVE-2018-7050: irssi - An issue was discovered in Irssi before 1.0.7 and 1.1.x before 1.1.1. A NULL poi...
An issue was discovered in Irssi before 1.0.7 and 1.1.x before 1.1.1. A NULL pointer dereference occurs for an "empty" nick.
Scope: local
bookworm: resolved (fixed in 1.0.7-1)
bullseye: resolved (fixed in 1.0.7-1)
forky: resolved (fixed in 1.0.7-1)
sid: resolved (fixed in 1.0.7-1)
trixie: resolved (fixed in 1.0.7-1)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2018-7050 irssi: Null pointer dereference when an "empty" nick joins a channel [fedora-all]
bugzilla·2018-02-16·CVSS 7.5
CVE-2018-7050 [HIGH] CVE-2018-7050 irssi: Null pointer dereference when an "empty" nick joins a channel [fedora-all]
CVE-2018-7050 irssi: Null pointer dereference when an "empty" nick joins a channel [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple
Bugzilla
CVE-2018-7050 irssi: Null pointer dereference when an "empty" nick joins a channel
bugzilla·2018-02-16·CVSS 7.5
CVE-2018-7050 [HIGH] CVE-2018-7050 irssi: Null pointer dereference when an "empty" nick joins a channel
CVE-2018-7050 irssi: Null pointer dereference when an "empty" nick joins a channel
A NULL pointer dereference was found in Irssi in complete_from_nicklist function
of chat-completion.c file, when an "empty" nick joins a channel. A remote
attacker, who can control an IRC server, could crash IRC clients by leveraging
this vulnerability.
Upstream patch:
https://github.com/irssi/irssi/commit/36564717c9f701e3a339da362ab46d220d27e0c1
References:
https://irssi.org/security/irssi_sa_2018_02.txt
Discussion:
Created irssi tracking bugs for this issue:
Affects: fedora-all [bug 1546315]
http://openwall.com/lists/oss-security/2018/02/15/1https://irssi.org/security/irssi_sa_2018_02.txthttps://usn.ubuntu.com/3590-1/https://www.debian.org/security/2018/dsa-4162http://openwall.com/lists/oss-security/2018/02/15/1https://irssi.org/security/irssi_sa_2018_02.txthttps://usn.ubuntu.com/3590-1/https://www.debian.org/security/2018/dsa-4162
2018-02-15
Published