J-Security Center

Title: PostgreSQL VACUUM Command Data Loss Vulnerability

Severity: MODERATE

Description:

PostgreSQL is a freely distributed Object-Relational DBMS. It is available for a number of platforms including Unix and Linux variants and Microsoft Windows operating systems.

PostgreSQL has been reported prone to a data loss vulnerability.

It has been reported that a non-privileged user may invoke the PostgreSQL VACUUM command to, in some circumstances, cause the system to prematurely remove transaction log information stored in 'pg_clog' files. This may ultimately result in data loss or a Denial of service condition.

It should be noted that all PostgreSQL version 7.2.* installations prior to 7.2.3 have been reported vulnerable.

Affected Products:

  • Conectiva Linux 8.0.0
  • Debian Linux 3.0.0
  • Debian Linux 3.0.0 alpha
  • Debian Linux 3.0.0 arm
  • Debian Linux 3.0.0 hppa
  • Debian Linux 3.0.0 ia-32
  • Debian Linux 3.0.0 ia-64
  • Debian Linux 3.0.0 m68k
  • Debian Linux 3.0.0 mips
  • Debian Linux 3.0.0 mipsel
  • Debian Linux 3.0.0 ppc
  • Debian Linux 3.0.0 s/390
  • Debian Linux 3.0.0 sparc
  • Gentoo Linux 0.5.0
  • Gentoo Linux 0.7.0
  • MandrakeSoft Linux Mandrake 8.2.0
  • MandrakeSoft Linux Mandrake 8.2.0 ppc
  • MandrakeSoft Linux Mandrake 9.0.0
  • PostgreSQL PostgreSQL 7.2.0
  • PostgreSQL PostgreSQL 7.2.1
  • PostgreSQL PostgreSQL 7.2.2
  • S.u.S.E. Linux 8.0.0
  • S.u.S.E. Linux 8.0.0 i386
  • Turbolinux Turbolinux Server 7.0.0
  • Turbolinux Turbolinux Server 8.0.0
  • Turbolinux Turbolinux Workstation 8.0.0

References:

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