SB2018100815 - Out-of-bounds read in libexif (Alpine package)

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Main Vulnerability Database SB2018100815

SB2018100815 - Out-of-bounds read in libexif (Alpine package)

Published: October 8, 2018

Security Bulletin ID SB2018100815
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Out-of-bounds read (CVE-ID: CVE-2017-7544)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to improper length computation of the allocated data of an ExifMnote entry within the exif_data_save_data_entry() function in libexif/exif-data.c. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.


Remediation

Install update from vendor's website.

References