Vulnerability Name:

CCN-3594

Published:1999-11-24
Updated:1999-11-24
Summary:Sendmail hasa race condition denial of service. Any user with shell access can cause the aliases database to rebuild by sending /usr/sbin/sendmail the -bi parameter. During the small delay between passing the command and when the database rebuilds, the user can send any signal to the database process such SIGKILL and cause the sendmail service to crash.
CVSS v3 Severity:4.0 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
Exploitability Metrics:Attack Vector (AV): Local
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:2.1 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P)
1.6 Low (CCN Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
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, Wed, 24 Nov 1999 02:40:48 -0800
[ COBALT ] Security Advisory - Sendmail

Source: CCN
Type: Sendmail Consortium Web site
Sendmail.org

Source: XF
Type: UNKNOWN
sendmail-dbrebuild-race-dos(3594)

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/a:sendmail:sendmail:8.9.3:*:*:*:*:*:*:*
  • OR cpe:/a:sendmail:sendmail:8.9.2:*:*:*:*:*:*:*
  • OR cpe:/a:sendmail:sendmail:8.9.1:*:*:*:*:*:*:*
  • OR cpe:/a:sendmail:sendmail:8.9.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    sendmail sendmail 8.9.3
    sendmail sendmail 8.9.2
    sendmail sendmail 8.9.1
    sendmail sendmail 8.9.0