CVE-2017-15721
published 2017-10-22CVE-2017-15721: 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…
PriorityP433high7.5CVSS 3.0
AVNACLPRNUINSUCNINAH
EPSS
2.37%
81.9th percentile
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.
Affected
11 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | debian_linux | — | — |
| debian | debian_linux | — | — |
| debian | debian_linux | — | — |
| debian | irssi | < irssi 1.0.5-1 (bookworm) | irssi 1.0.5-1 (bookworm) |
| irssi | irssi | <= 1.0.4 | — |
| irssi | irssi | >= 0 < 1.0.5-1 | 1.0.5-1 |
| irssi | irssi | >= 0 < 1.0.5-1 | 1.0.5-1 |
| irssi | irssi | >= 0 < 1.0.5-1 | 1.0.5-1 |
| irssi | irssi | >= 0 < 1.0.5-1 | 1.0.5-1 |
| irssi | irssi | >= 0 < 0.8.15-5ubuntu3.3 | 0.8.15-5ubuntu3.3 |
| irssi | irssi | >= 0 < 0.8.19-1ubuntu1.5 | 0.8.19-1ubuntu1.5 |
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
osv9.8CRITICAL
vendor_ubuntu9.8CRITICAL
vendor_debian7.5HIGH
vendor_redhat7.5HIGH
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Ubuntu
Irssi vulnerabilities
vendor_ubuntu·2017-10-26·CVSS 9.8
CVE-2017-10965 [CRITICAL] Irssi vulnerabilities
Title: Irssi vulnerabilities
Summary: Several security issues were fixed in Irssi.
Brian Carpenter discovered that Irssi incorrectly handled messages with
invalid time stamps. A malicious IRC server could use this issue to cause
Irssi to crash, resulting in a denial of service. (CVE-2017-10965)
Brian Carpenter discovered that Irssi incorrectly handled the internal nick
list. A malicious IRC server could use this issue to cause Irssi to crash,
resulting in a denial of service. (CVE-2017-10966)
Joseph Bisch discovered that Irssi incorrectly removed destroyed channels
from the query list. A malicious IRC server could use this issue to cause
Irssi to crash, resulting in a denial of service. (CVE-2017-15227)
Hanno Böck discovered that Irssi incorrectly handled themes. If a user were
tricke
Red Hat
irssi: NULL pointer dereference due to incorrectly formatted DCC CTCP messages
vendor_redhat·2017-10-22·CVSS 7.5
CVE-2017-15721 [HIGH] CWE-476 irssi: NULL pointer dereference due to incorrectly formatted DCC CTCP messages
irssi: NULL pointer dereference due to incorrectly formatted DCC CTCP messages
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.
Statement: Red Hat Product Security has rated this issue as having Moderate security impact. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
Red Hat Enterprise Linux 5 is now in Extended Life Cycle phase of the support and maintenance life cycle. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Lif
Debian
CVE-2017-15721: irssi - In Irssi before 1.0.5, certain incorrectly formatted DCC CTCP messages could cau...
vendor_debian·2017·CVSS 7.5
CVE-2017-15721 [HIGH] CVE-2017-15721: irssi - In Irssi before 1.0.5, certain incorrectly formatted DCC CTCP messages could cau...
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.
Scope: local
bookworm: resolved (fixed in 1.0.5-1)
bullseye: resolved (fixed in 1.0.5-1)
forky: resolved (fixed in 1.0.5-1)
sid: resolved (fixed in 1.0.5-1)
trixie: resolved (fixed in 1.0.5-1)
GHSA
GHSA-v58c-vj35-4q53: In Irssi before 1
ghsa_unreviewed·2022-05-14·CVSS 7.5
CVE-2017-15721 [HIGH] CWE-476 GHSA-v58c-vj35-4q53: In Irssi before 1
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.
OSV
irssi vulnerabilities
osv·2017-10-26·CVSS 9.8
CVE-2017-10965 [CRITICAL] irssi vulnerabilities
irssi vulnerabilities
Brian Carpenter discovered that Irssi incorrectly handled messages with
invalid time stamps. A malicious IRC server could use this issue to cause
Irssi to crash, resulting in a denial of service. (CVE-2017-10965)
Brian Carpenter discovered that Irssi incorrectly handled the internal nick
list. A malicious IRC server could use this issue to cause Irssi to crash,
resulting in a denial of service. (CVE-2017-10966)
Joseph Bisch discovered that Irssi incorrectly removed destroyed channels
from the query list. A malicious IRC server could use this issue to cause
Irssi to crash, resulting in a denial of service. (CVE-2017-15227)
Hanno Böck discovered that Irssi incorrectly handled themes. If a user were
tricked into using a malicious theme, a attacker could use this issu
OSV
CVE-2017-15721: In Irssi before 1
osv·2017-10-22·CVSS 7.5
CVE-2017-15721 [HIGH] CVE-2017-15721: In Irssi before 1
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.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2017-15227 CVE-2017-15228 CVE-2017-15721 CVE-2017-15722 CVE-2017-15723 irssi: various flaws [fedora-all]
bugzilla·2017-11-08·CVSS 7.5
CVE-2017-15227 [HIGH] CVE-2017-15227 CVE-2017-15228 CVE-2017-15721 CVE-2017-15722 CVE-2017-15723 irssi: various flaws [fedora-all]
CVE-2017-15227 CVE-2017-15228 CVE-2017-15721 CVE-2017-15722 CVE-2017-15723 irssi: various flaws [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 affe
Bugzilla
CVE-2017-15721 irssi: NULL pointer dereference due to incorrectly formatted DCC CTCP messages
bugzilla·2017-11-08·CVSS 7.5
CVE-2017-15721 [HIGH] CVE-2017-15721 irssi: NULL pointer dereference due to incorrectly formatted DCC CTCP messages
CVE-2017-15721 irssi: NULL pointer dereference due to incorrectly formatted DCC CTCP messages
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. This may result in a remote denial of service.
External References:
https://irssi.org/security/irssi_sa_2017_10.txt
Discussion:
Created irssi tracking bugs for this issue:
Affects: fedora-all [bug 1510963]
---
Patch:
https://github.com/irssi/irssi/commit/43e44d553d44e313003cee87e6ea5e24d68b84a1
---
Statement:
Red Hat Product Security has rated this issue as having Moderate security impact. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severit
http://openwall.com/lists/oss-security/2017/10/22/4https://irssi.org/security/irssi_sa_2017_10.txthttps://lists.debian.org/debian-lts-announce/2017/12/msg00022.htmlhttps://www.debian.org/security/2017/dsa-4016http://openwall.com/lists/oss-security/2017/10/22/4https://irssi.org/security/irssi_sa_2017_10.txthttps://lists.debian.org/debian-lts-announce/2017/12/msg00022.htmlhttps://www.debian.org/security/2017/dsa-4016
2017-10-22
Published