Vulnerability Name:

CCN-1386

Published:1998-09-06
Updated:1998-09-06
Summary:The accept socket function in Linux kernel is vulnerable to a denial of service. The accept socket function does not wait for the 3-way handshake to complete before returning. Daemons that do not take this behavior into account can be manipulated into not accepting further legitimate connections. Exploit information for this vulnerability has been widely published on the Internet.
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 (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 Consequences:Denial of Service
References:Source: CCN
Type: BugTraq Mailing List, Sun, 6 Sep 1998 00:53:24 +0200
Sendmail, lynx, Netscape, sshd, Linux kernel (twice)

Source: CCN
Type: BugTraq Mailing List, Tue, 3 Nov 1998 11:35:31 +0100
Sendmail/Qmail DoS

Source: CCN
Type: Sendmail Web site
Sendmail

Source: XF
Type: UNKNOWN
linux-sendmail-accept-dos(1386)

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/o:linux:linux_kernel:*:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    linux linux kernel *