Vulnerability Name:

CCN-153639

Published:2018-11-21
Updated:2018-11-21
Summary:Mozilla Firefox is vulnerable to a denial of service, caused by a double-free when attempting to process chunked data. By sending chunked stream ending with zero after sending zero length, a remote attacker could exploit this vulnerability to cause the browser to crash.
CVSS v3 Severity:7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.7 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:H/E:P/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
CVSS v2 Severity:7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Consequences:Denial of Service
References:Source: CCN
Type: Mozilla Web site
Firefox

Source: CCN
Type: Bug 1504512
double-free leading to crash everytime it find chunked stream ending with zero and sending data after that also

Source: XF
Type: UNKNOWN
firefox-chunked-stream-dos(153639)

Source: CCN
Type: Packet Storm Security [12-04-2018]
Mozilla Firefox 63.0.1 Denial Of Service

Source: EXPLOIT-DB
Type: EXPLOIT
Offensive Security Exploit Database [12-03-2018]

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/a:mozilla:firefox:63.0.1:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    mozilla firefox 63.0.1