Vulnerability Name:

CVE-2016-2233 (CCN-111982)

Assigned:2016-04-05
Published:2016-04-05
Updated:2017-02-03
Summary:Stack-based buffer overflow in the inbound_cap_ls function in common/inbound.c in HexChat 2.10.2 allows remote IRC servers to cause a denial of service (crash) via a large number of options in a CAP LS message.
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)
6.8 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:P/RL:U/RC:R)
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
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)
6.6 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:P/RL:U/RC:R)
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: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
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-119
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2016-2233

Source: MISC
Type: Exploit, Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/136563/Hexchat-IRC-Client-2.11.0-CAP-LS-Handling-Buffer-Overflow.html

Source: BID
Type: UNKNOWN
95920

Source: CCN
Type: BID-95920
HexChat CVE-2016-2233 Stack-Based Buffer Overflow Vulnerability

Source: XF
Type: UNKNOWN
hexchat-ircclient-cve20162233-bo(111982)

Source: CCN
Type: HexChat Web site
HexChat

Source: CCN
Type: Packet Storm Security [04-05-2016]
Hexchat IRC Client 2.11.0 CAP LS Handling Buffer Overflow

Source: EXPLOIT-DB
Type: EXPLOIT
Offensive Security Exploit Database [04-04-2016]

Source: EXPLOIT-DB
Type: Exploit, Third Party Advisory, VDB Entry
39657

Vulnerable Configuration:Configuration 1:
  • cpe:/a:hexchat_project:hexchat:2.10.2:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.bionic:def:201622330000000
    V
    		CVE-2016-2233 on Ubuntu 18.04 LTS (bionic) - low.
    2017-01-18
    oval:com.ubuntu.artful:def:20162233000
    V
    		CVE-2016-2233 on Ubuntu 17.10 (artful) - low.
    2017-01-18
    oval:com.ubuntu.trusty:def:20162233000
    V
    		CVE-2016-2233 on Ubuntu 14.04 LTS (trusty) - low.
    2017-01-18
    oval:com.ubuntu.xenial:def:201622330000000
    V
    		CVE-2016-2233 on Ubuntu 16.04 LTS (xenial) - low.
    2017-01-18
    oval:com.ubuntu.bionic:def:20162233000
    V
    		CVE-2016-2233 on Ubuntu 18.04 LTS (bionic) - low.
    2017-01-18
    oval:com.ubuntu.xenial:def:20162233000
    V
    		CVE-2016-2233 on Ubuntu 16.04 LTS (xenial) - low.
    2017-01-18
    oval:com.ubuntu.disco:def:201622330000000
    V
    		CVE-2016-2233 on Ubuntu 19.04 (disco) - low.
    2017-01-18
    oval:com.ubuntu.cosmic:def:20162233000
    V
    		CVE-2016-2233 on Ubuntu 18.10 (cosmic) - low.
    2017-01-18
    oval:com.ubuntu.cosmic:def:201622330000000
    V
    		CVE-2016-2233 on Ubuntu 18.10 (cosmic) - low.
    2017-01-18
    oval:com.ubuntu.precise:def:20162233000
    V
    		CVE-2016-2233 on Ubuntu 12.04 LTS (precise) - low.
    2017-01-18
    BACK
    hexchat_project hexchat 2.10.2