Vulnerability Name:

CVE-1999-0740 (CCN-3139)

Assigned:1999-08-19
Published:1999-08-19
Updated:2008-09-09
Summary:Remote attackers can cause a denial of service on Linux in.telnetd telnet daemon through a malformed TERM environmental variable.
CVSS v3 Severity:6.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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): Low
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:6.4 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): Partial
6.4 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-Other
Vulnerability Consequences:Denial of Service
References:Source: CCN
Type: Caldera International, Inc. Security Advisory CSSA-1999-022.0
Security issues with telnetd and libcurses

Source: MITRE
Type: CNA
CVE-1999-0740

Source: CCN
Type: RHSA-1999:029-01
Denial of service attack in in.telnetd

Source: CCN
Type: OSVDB ID: 1051
NetKit (netkit-telnet) telnetd Malformed TERM Environment Variable DoS

Source: BID
Type: UNKNOWN
594

Source: CCN
Type: BID-594
Linux in.telnetd Denial of Service Vulnerability

Source: XF
Type: UNKNOWN
linux-telnetd-term(3139)

Vulnerable Configuration:Configuration 1:
  • cpe:/o:redhat:linux:4.2:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:linux:5.2:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:linux:6.0:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/o:redhat:linux:6.0:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    redhat linux 4.2
    redhat linux 5.2
    redhat linux 6.0
    redhat linux 6.0