Vulnerability Name:

CVE-2005-4718 (CCN-22784)

Assigned:2005-10-18
Published:2005-10-18
Updated:2022-02-28
Summary:Opera 8.02 and earlier allows remote attackers to cause a denial of service (client crash) via (1) a crafted HTML file with a "content: url(0);" style attribute, a "bodyA" tag, a long string, and a "u" tag with a long attribute, as demonstrated by opera.html; and (2) a BGSOUND element with a "margin:-99;" STYLE attribute.
CVSS v3 Severity: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)
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-noinfo
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2005-4718

Source: CCN
Type: SECTRACK ID: 1015067
Opera HTML Parsing Bugs Let Remote Users Deny Service

Source: SECTRACK
Type: Broken Link, Exploit, Third Party Advisory, VDB Entry
1015067

Source: MISC
Type: Exploit
http://www.addict3d.org/index.php?page=viewarticle&type=security&ID=5054

Source: MISC
Type: Exploit
http://www.addict3d.org/index.php?page=viewarticle&type=security&ID=5055

Source: CCN
Type: Opera Web site
Opera Software - The Best Internet Experience

Source: CCN
Type: OSVDB ID: 20325
Opera Multiple Malformed HTML Parsing DoS

Source: CCN
Type: BID-15124
Opera Web Browser Multiple Malformed HTML Parsing Denial Of Service Vulnerabilities

Source: XF
Type: UNKNOWN
opera-html-dos(22784)

Vulnerable Configuration:Configuration 1:
  • cpe:/a:opera:opera_browser:*:*:*:*:*:*:*:* (Version <= 8.02)

  • Configuration CCN 1:
  • cpe:/a:opera:opera_browser:8.02:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    opera opera browser *
    opera opera browser 8.02