Vulnerability Name:

CVE-2017-7191 (CCN-123816)

Assigned:2017-03-20
Published:2017-03-20
Updated:2017-03-31
Summary:The netjoin processing in Irssi 1.x before 1.0.2 allows attackers to cause a denial of service (use-after-free) and possibly execute arbitrary code via unspecified vectors.
CVSS v3 Severity:9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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): High
Integrity (I): High
Availibility (A): High
7.3 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
6.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/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): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:7.5 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
7.5 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-416
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2017-7191

Source: BID
Type: Third Party Advisory, VDB Entry
97185

Source: CCN
Type: BID-97185
Irssi CVE-2017-7191 Denial of Service Vulnerability

Source: XF
Type: UNKNOWN
irssi-cve20177191-dos(123816)

Source: CONFIRM
Type: Patch, Third Party Advisory
https://github.com/irssi/irssi/commit/77b2631c78461965bc9a7414aae206b5c514e1b3

Source: CCN
Type: Irssi Web site
Irssi

Source: CCN
Type: Irssi Web site
use after free condition during netjoin processing [1]

Source: CONFIRM
Type: Patch, Vendor Advisory
https://irssi.org/security/irssi_sa_2017_03.txt

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2017-7191

Vulnerable Configuration:Configuration 1:
  • cpe:/a:irssi:irssi:*:*:*:*:*:*:*:* (Version <= 1.0.1)

    • Configuration CCN 1:
  • cpe:/a:irssi:irssi:1.0.1:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.precise:def:20177191000
    V
    		CVE-2017-7191 on Ubuntu 12.04 LTS (precise) - medium.
    2017-03-27
    oval:com.ubuntu.trusty:def:20177191000
    V
    		CVE-2017-7191 on Ubuntu 14.04 LTS (trusty) - medium.
    2017-03-27
    oval:com.ubuntu.xenial:def:20177191000
    V
    		CVE-2017-7191 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-03-27
    oval:com.ubuntu.xenial:def:201771910000000
    V
    		CVE-2017-7191 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-03-27
    BACK
    irssi irssi *
    irssi irssi 1.0.1