Vulnerability Name:

CVE-1999-0926 (CCN-1630)

Summary:Apache allows remote attackers to conduct a denial of service via a large number of MIME headers.
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:10.0 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
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-Other
Vulnerability Consequences:Denial of Service
References:Source: BUGTRAQ
Type: Exploit, Vendor Advisory
19990903 Web servers / possible DOS Attack / mime header flooding

Source: CCN
Type: BugTraq Mailing List, Thu, 3 Sep 1998 12:34:22 +0200
Web servers / possible DOS Attack / mime header flooding

Source: CCN
Type: BugTraq Mailing List, Fri, 4 Sep 1998 00:00:26 +0200
Re: Web servers / possible DOS Attack / mime header flooding

Source: MITRE
Type: CNA

Source: MITRE
Type: CNA

Source: CCN
Type: OSVDB ID: 9706
Web Server Multiple MIME Header Saturation DoS

Source: CCN
Type: BID-1760
Multiple Vendor MIME Header DoS Vulnerability

Source: CCN
Type: Revnet Systems' UnityMail Web site
UnityMail -- the database-driven email list server for Windows NT

Source: XF

Vulnerable Configuration:Configuration 1:
  • cpe:/a:apache:http_server:1.2.5:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:messagemedia:unitymail:2.0:*:*:*:*:*:*:*
  • AND
  • cpe:/o:ibm:aix:*:*:*:*:*:*:*:*
  • OR cpe:/o:windriver:bsdos:*:*:*:*:*:*:*:*
  • OR cpe:/o:hp:hp-ux:*:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:*:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:*:*:*:*:*:*:*:*
  • OR cpe:/o:sun:solaris:*:*:*:*:*:*:*:*
  • OR cpe:/a:data_general:dg_ux:*:*:*:*:*:*:*:*
  • OR cpe:/o:sco:unix:*:*:*:*:*:*:*:*
  • OR cpe:/o:compaq:tru64:*:*:*:*:*:*:*:*
  • OR cpe:/a:apache:http_server:1.2.5:*:*:*:*:*:*:*
  • OR cpe:/a:apache:http_server:1.3.1:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    apache http server 1.2.5
    messagemedia unitymail 2.0
    ibm aix *
    windriver bsdos *
    hp hp-ux *
    sgi irix *
    linux linux kernel *
    sun solaris *
    data_general dg ux *
    sco unix *
    compaq tru64 *
    apache http server 1.2.5
    apache http server 1.3.1