Vulnerability Name:

CVE-2001-0738 (CCN-7098)

Assigned:2001-07-24
Published:2001-07-24
Updated:2017-10-10
Summary:LogLine function in klogd in sysklogd 1.3 in various Linux distributions allows an attacker to cause a denial of service (hang) by causing null bytes to be placed in log messages.
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 (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
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
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: CCN
Type: Debian Bug Report Logs - #85478
sysklogd: (PATCH) klogd loops infinitely when encountering a \0

Source: MITRE
Type: CNA
CVE-2001-0738

Source: CCN
Type: Immunix OS Security Advisory IMNX-2001-70-026-01
sysklogd

Source: IMMUNIX
Type: UNKNOWN
IMNX-2001-70-026-01

Source: BUGTRAQ
Type: UNKNOWN
20010614 sysklogd update -- Immunix OS 6.2, 7.0-beta, 7.0

Source: CCN
Type: US-CERT VU#249579
klogd does not adequately handle NULL byte when parsing text using LogLine( )

Source: CERT-VN
Type: Patch, Third Party Advisory, US Government Resource
VU#249579

Source: CCN
Type: OSVDB ID: 5555
sysklogd LogLine Function Null Byte DoS

Source: XF
Type: UNKNOWN
klogd-null-byte-dos(7098)

Source: XF
Type: UNKNOWN
klogd-null-byte-dos(7098)

Vulnerable Configuration:Configuration 1:
  • cpe:/a:immunix:immunix:6.2:*:*:*:*:*:*:*
  • OR cpe:/a:immunix:immunix:7.0:*:*:*:*:*:*:*
  • OR cpe:/a:immunix:immunix:7.0_beta:*:*:*:*:*:*:*

  • Configuration 2:
  • cpe:/o:debian:debian_linux:1.3:*:*:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:2.2:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/o:debian:debian_linux:2.2:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    immunix immunix 6.2
    immunix immunix 7.0
    immunix immunix 7.0_beta
    debian debian linux 1.3
    debian debian linux 2.2
    debian debian linux 2.2