CVE-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 to CVE-2017-9468.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
http://openwall.com/lists/oss-security/2017/10/22/4	Mailing List Mitigation Patch Third Party Advisory
https://irssi.org/security/irssi_sa_2017_10.txt	Mitigation Patch Vendor Advisory
https://lists.debian.org/debian-lts-announce/2017/12/msg00022.html	Mailing List Third Party Advisory
https://www.debian.org/security/2017/dsa-4016	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:irssi:irssi:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:debian:debian_linux:7.0:::::::*
	cpe:2.3:o:debian:debian_linux:8.0:::::::*
	cpe:2.3:o:debian:debian_linux:9.0:::::::*

History

No history.

Information

Published : 2017-10-22 20:29

Updated : 2023-12-10 12:15

NVD link : CVE-2017-15721

Mitre link : CVE-2017-15721

CVE.ORG link : CVE-2017-15721

JSON object : View

Products Affected

debian

debian_linux

irssi

irssi

CWE

CWE-476

NULL Pointer Dereference

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