Hypermail Local Temporary File Race Condition Vulnerability

BID:6975

Info

Hypermail Local Temporary File Race Condition Vulnerability

Bugtraq ID: 6975
Class: Race Condition Error
CVE:
Remote: No
Local: Yes
Published: Feb 27 2003 12:00AM
Updated: Feb 27 2003 12:00AM
Credit: Discovery of this vulnerability has been credited to Thomas Biege <[email protected]>.
Vulnerable: HyperMail HyperMail 2.1.4
HyperMail HyperMail 2.1.3
- Apache Apache 1.3.22
- Apache Apache 1.3.20
+ Debian Linux 3.0 sparc
 + Debian Linux 3.0 s/390
 + Debian Linux 3.0 ppc
 + Debian Linux 3.0 mipsel
 + Debian Linux 3.0 mips
 + Debian Linux 3.0 m68k
 + Debian Linux 3.0 ia-64
 + Debian Linux 3.0 ia-32
 + Debian Linux 3.0 hppa
 + Debian Linux 3.0 arm
 + Debian Linux 3.0 alpha
 + Debian Linux 3.0
HyperMail HyperMail 2.1.2
- Apache Apache 1.3.22
- Apache Apache 1.3.20
HyperMail HyperMail 2.1 .0
- Apache Apache 1.3.22
- Apache Apache 1.3.20
HyperMail HyperMail 2.0 b25
+ Debian Linux 2.2 sparc
 + Debian Linux 2.2 powerpc
 + Debian Linux 2.2 IA-32
 + Debian Linux 2.2 arm
 + Debian Linux 2.2 alpha
 + Debian Linux 2.2 68k
 + Debian Linux 2.2
Not Vulnerable:

Discussion

Hypermail Local Temporary File Race Condition Vulnerability

A problem with Hypermail may make local symbolic link attacks possible.

It has been reported that Hypermail is vulnerable to a race condition error. Under some circumstances, Hypermail creates files in temporary directories. It may be possible to create a symbolic link in a crucial point of program execution that would result in the overwriting of files pointed to by the link.

Full details of this vulnerability are not currently known. The BID will be updated as further details are disclosed.

Exploit / POC

Hypermail Local Temporary File Race Condition Vulnerability

There is no exploit required.

Solution / Fix

Hypermail Local Temporary File Race Condition Vulnerability

Solution:
SuSE Linux have supplied an advisory (SA:2003:0012) and the following fixes:


HyperMail HyperMail 2.0 b25

HyperMail HyperMail 2.1 .0

HyperMail HyperMail 2.1.2

HyperMail HyperMail 2.1.3

HyperMail HyperMail 2.1.4

References

Hypermail Local Temporary File Race Condition Vulnerability

References:

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