15726 : Sendmail -C Arbitrary Privilege File Disclosure
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Timeline

Disclosure Date
1984-09-12

Description

Sendmail contains a flaw that may allow a local attacker to access privileged files. The issue occured when calling sendmail with the -C option (alternate configuration file). By specifying an arbitrary system file with restricted permissions, sendmail would complain that the file was not a valid configuration file and display the contents to standard outpout. This could be used to read the contents of /etc/shadow or other sensitive files.

Classification

Location: Local Access Required
Attack Type: Input Manipulation
Impact: Loss of Confidentiality
Exploit: Exploit Public
Disclosure: Vendor Verified

Solution

Upgrade to version 4.46 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Eric Allman
Sendmail
4.45
IBM Corporation
AIX
4.1.5

References

Credit

  • Keith Muller -

CVSSv2 Score

NVD does not currently have a CVSSv2 score assigned.

Comments

No Comments.

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