Vulnerability Name:

CVE-2017-5356 (CCN-123634)

Assigned:2017-03-03
Published:2017-03-03
Updated:2019-03-15
Summary: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 v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-125
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2017-5356

Source: CCN
Type: oss-sec Mailing List, Thu, 12 Jan 2017 13:24:54 +0100
CVE Request: Irssi out of bounds read in format string

Source: MLIST
Type: Mailing List, Third Party Advisory
[oss-security] 20170112 CVE Request: Irssi out of bounds read in format string

Source: MLIST
Type: Mailing List, Third Party Advisory
[oss-security] 20170112 Re: CVE Request: Irssi out of bounds read in format string

Source: BID
Type: Third Party Advisory, VDB Entry
96581

Source: CCN
Type: BID-96581
Irssi CVE-2017-5356 Denial of Service Vulnerability

Source: MISC
Type: Exploit, Technical Description, Third Party Advisory
https://blog.fuzzing-project.org/55-Fuzzing-Irssi-with-Perl-Scripts.html

Source: XF
Type: UNKNOWN
irssi-cve20175356-dos(123634)

Source: CCN
Type: Irssi Web site
Irssi

Source: CONFIRM
Type: Patch, Vendor Advisory
https://irssi.org/security/irssi_sa_2017_01.txt

Source: MLIST
Type: Mailing List, Third Party Advisory
[debian-lts-announce] 20171223 [SECURITY] [DLA 1217-1] irssi security update

Vulnerable Configuration:Configuration 1:
  • cpe:/a:irssi:irssi:*:*:*:*:*:*:*:* (Version < 0.8.21)

    • Configuration 2:
  • cpe:/o:debian:debian_linux:7.0:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:irssi:irssi:0.8.20:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:20175356
    V
    		CVE-2017-5356
    2022-06-30
    oval:org.opensuse.security:def:112443
    P
    		irssi-1.2.3-2.4 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:105949
    P
    		irssi-1.2.3-2.4 on GA media (Moderate)
    2021-10-01
    oval:com.ubuntu.precise:def:20175356000
    V
    		CVE-2017-5356 on Ubuntu 12.04 LTS (precise) - low.
    2017-03-03
    oval:com.ubuntu.xenial:def:201753560000000
    V
    		CVE-2017-5356 on Ubuntu 16.04 LTS (xenial) - low.
    2017-03-03
    oval:com.ubuntu.trusty:def:20175356000
    V
    		CVE-2017-5356 on Ubuntu 14.04 LTS (trusty) - low.
    2017-03-03
    oval:com.ubuntu.xenial:def:20175356000
    V
    		CVE-2017-5356 on Ubuntu 16.04 LTS (xenial) - low.
    2017-03-03
    BACK
    irssi irssi *
    debian debian linux 7.0
    irssi irssi 0.8.20