CVE-1999-0203
HighExploitation Probability (EPSS)
High risk79th percentile - higher than 79% of all known CVEs
Summary
In Sendmail, attackers can gain root privileges via SMTP by specifying an improper 'mail from' address and an invalid 'rcpt to' address that would cause the mail to bounce to a program.
Risk Assessment
This vulnerability could allow an attacker to gain control over the system, posing a serious security risk to the organization.
Recommendation
It is recommended to update Sendmail to the latest version and implement appropriate filters and security measures to mitigate the risk of exploitation.
Other vulnerabilities in Sendmail
See all- CVE-1999-1109Medium
Sendmail before 8.10.0 allows remote attackers to cause a denial of service by sending a series of ETRN commands then disconnecting from the server, while Sendmail continues to process the commands after the connection has been terminated.
- CVE-1999-0204High
Sendmail version 8.6.9 allows remote attackers to execute root commands using ident.
- CVE-1999-0095High
The debug command in Sendmail is enabled, allowing attackers to execute commands as root.
- CVE-2000-0319Medium
mail.local in Sendmail 8.10.x does not properly identify the . string which indicates the end of message text. This allows a remote attacker to cause a denial of service or corrupt mailboxes via a message line that is 2047 characters long and ends in . .
- CVE-1999-0976Low
Sendmail allows local users to reinitialize the aliases database via the newaliases command, which can lead to denial of service by interrupting Sendmail.
- CVE-1999-0684Medium
CVE-1999-0684 vulnerability affects Sendmail version 8.8.6 on HPUX, allowing for a denial of service attack.
- CVE-1999-0565High
A vulnerability in Sendmail allows input to be piped to a program via an alias.
- CVE-1999-0098High
Buffer overflow in the SMTP HELO command in Sendmail allows a remote attacker to hide activities.
- CVE-1999-0047High
MIME conversion buffer overflow in sendmail versions 8.8.3 and 8.8.4.
- CVE-1999-0163High
In older versions of Sendmail, an attacker could use a pipe character to execute root commands.
Original NVD description (English source)
In Sendmail, attackers can gain root privileges via SMTP by specifying an improper "mail from" address and an invalid "rcpt to" address that would cause the mail to bounce to a program.