CVE-2017-9468
published 2017-06-07CVE-2017-9468: In Irssi before 1.0.3, when receiving a DCC message without source nick/host, it attempts to dereference a NULL pointer. Thus, remote IRC servers can cause a…
PriorityP335high7.5CVSS 3.0
AVNACLPRNUINSUCNINAH
EPSS
3.25%
86.9th percentile
In Irssi before 1.0.3, when receiving a DCC message without source nick/host, it attempts to dereference a NULL pointer. Thus, remote IRC servers can cause a crash.
Affected
17 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) |
| debian | irssi | < irssi 1.0.3-1 (bookworm) | irssi 1.0.3-1 (bookworm) |
| irssi | irssi | <= 1.0.2 | — |
| irssi | irssi | <= 1.0.4 | — |
| irssi | irssi | >= 0 < 1.0.5-1 | 1.0.5-1 |
| irssi | irssi | >= 0 < 1.0.3-1 | 1.0.3-1 |
| irssi | irssi | >= 0 < 1.0.5-1 | 1.0.5-1 |
| irssi | irssi | >= 0 < 1.0.3-1 | 1.0.3-1 |
| irssi | irssi | >= 0 < 1.0.5-1 | 1.0.5-1 |
| irssi | irssi | >= 0 < 1.0.3-1 | 1.0.3-1 |
| irssi | irssi | >= 0 < 1.0.5-1 | 1.0.5-1 |
| irssi | irssi | >= 0 < 1.0.3-1 | 1.0.3-1 |
| irssi | irssi | >= 0 < 0.8.15-5ubuntu3.2 | 0.8.15-5ubuntu3.2 |
| irssi | irssi | >= 0 < 0.8.19-1ubuntu1.4 | 0.8.19-1ubuntu1.4 |
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-8366-xqph-v5cf: In Irssi before 1
ghsa_unreviewed·2022-05-14
CVE-2017-9468 [HIGH] CWE-476 GHSA-8366-xqph-v5cf: In Irssi before 1
In Irssi before 1.0.3, when receiving a DCC message without source nick/host, it attempts to dereference a NULL pointer. Thus, remote IRC servers can cause a crash.
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
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.
OSV
irssi vulnerabilities
osv·2017-06-12·CVSS 7.5
CVE-2017-9468 [HIGH] irssi vulnerabilities
irssi vulnerabilities
It was discovered that Irssi incorrectly handled certain DCC messages. A
malicious IRC server could use this issue to cause Irssi to crash,
resulting in a denial of service. (CVE-2017-9468)
Joseph Bisch discovered that Irssi incorrectly handled receiving
incorrectly quoted DCC files. A remote attacker could possibly use this
issue to cause Irssi to crash, resulting in a denial of service.
(CVE-2017-9469)
OSV
CVE-2017-9468: In Irssi before 1
osv·2017-06-07·CVSS 7.5
CVE-2017-9468 [HIGH] CVE-2017-9468: In Irssi before 1
In Irssi before 1.0.3, when receiving a DCC message without source nick/host, it attempts to dereference a NULL pointer. Thus, remote IRC servers can cause a crash.
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
Ubuntu
Irssi vulnerabilities
vendor_ubuntu·2017-06-12·CVSS 7.5
CVE-2017-9468 [HIGH] Irssi vulnerabilities
Title: Irssi vulnerabilities
Summary: Irssi could be made to crash if it received specially crafted network
traffic.
It was discovered that Irssi incorrectly handled certain DCC messages. A
malicious IRC server could use this issue to cause Irssi to crash,
resulting in a denial of service. (CVE-2017-9468)
Joseph Bisch discovered that Irssi incorrectly handled receiving
incorrectly quoted DCC files. A remote attacker could possibly use this
issue to cause Irssi to crash, resulting in a denial of service.
(CVE-2017-9469)
Instructions: After a standard system update you need to restart Irssi to make all the
necessary changes.
Red Hat
irssi: Null pointer dereference while receiving a DCC message without source nick/host
vendor_redhat·2017-06-07·CVSS 7.5
CVE-2017-9468 [HIGH] CWE-476 irssi: Null pointer dereference while receiving a DCC message without source nick/host
irssi: Null pointer dereference while receiving a DCC message without source nick/host
In Irssi before 1.0.3, when receiving a DCC message without source nick/host, it attempts to dereference a NULL pointer. Thus, remote IRC servers can cause a crash.
A null pointer dereference was found in the way irssi handles DCC messages that do not contain a source nick/host. A malicious IRC server could be used to crash an irssi client by sending a specially crafted DCC message.
Statement: Red Hat Product Security has rated this issue as having Low 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/.
Package: irssi (Red Hat Enterpri
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)
Debian
CVE-2017-9468: irssi - In Irssi before 1.0.3, when receiving a DCC message without source nick/host, it...
vendor_debian·2017·CVSS 7.5
CVE-2017-9468 [HIGH] CVE-2017-9468: irssi - In Irssi before 1.0.3, when receiving a DCC message without source nick/host, it...
In Irssi before 1.0.3, when receiving a DCC message without source nick/host, it attempts to dereference a NULL pointer. Thus, remote IRC servers can cause a crash.
Scope: local
bookworm: resolved (fixed in 1.0.3-1)
bullseye: resolved (fixed in 1.0.3-1)
forky: resolved (fixed in 1.0.3-1)
sid: resolved (fixed in 1.0.3-1)
trixie: resolved (fixed in 1.0.3-1)
No detection rules found.
No public exploits indexed.
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
Bugzilla
CVE-2017-9468 CVE-2017-9469 irssi: various flaws [fedora-all]
bugzilla·2017-06-07·CVSS 7.5
CVE-2017-9468 [HIGH] CVE-2017-9468 CVE-2017-9469 irssi: various flaws [fedora-all]
CVE-2017-9468 CVE-2017-9469 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 affects multiple supported versions of Fedora. Whil
Bugzilla
CVE-2017-9468 irssi: Null pointer dereference while receiving a DCC message without source nick/host
bugzilla·2017-06-07·CVSS 7.5
CVE-2017-9468 [HIGH] CVE-2017-9468 irssi: Null pointer dereference while receiving a DCC message without source nick/host
CVE-2017-9468 irssi: Null pointer dereference while receiving a DCC message without source nick/host
When receiving a DCC message without source nick/host, Irssi would attempt to dereference a NULL pointer. A malicious remote server could cause irssi to crash.
External References:
https://irssi.org/security/irssi_sa_2017_06.txt
Discussion:
Created irssi tracking bugs for this issue:
Affects: fedora-all [bug 1459458]
---
Lowering severity because of the following reason :
* A rogue, or buggy, IRC server is required to be able to make use of this vulnerability. An attacker would need to either gain control of a IRC server, or trick the user into connecting a rogue IRC server
---
Statement:
Red Hat Product Security has rated this issue as having Low security impact. This issue is n
http://openwall.com/lists/oss-security/2017/06/06/4http://www.debian.org/security/2017/dsa-3885http://www.securityfocus.com/bid/99015http://www.securitytracker.com/id/1038621https://irssi.org/security/irssi_sa_2017_06.txthttp://openwall.com/lists/oss-security/2017/06/06/4http://www.debian.org/security/2017/dsa-3885http://www.securityfocus.com/bid/99015http://www.securitytracker.com/id/1038621https://irssi.org/security/irssi_sa_2017_06.txt
2017-06-07
Published