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Rewterz Threat Advisory – CVE-2018-12882 – updates for IBM Lotus Protector for Mail Security PHP DoS Vulnerability

SEVERITY: MEDIUM

 

 

CATEGORY: VULNERABILITY

 

 

ANALYSIS SUMMARY:

 

 

IBM Lotus Protector for mail security has now released updates for a previously disclosed vulnerability identified as CVE-2018-12882. The flaw is that the exif_read_from_impl function in ext/exif/exif.c in PHP 7.2.x through 7.2.7 allows attackers to trigger a use-after-free (in exif_read_from_file) because it closes a stream that it is not responsible for closing. The vulnerable code is reachable through the PHP exif_read_data function. Successful exploitation of the flaw causes Denial of Service condition.

 

Vendor has released fixes for the vulnerability.

 

 

AFFECTED PRODUCTS

 

 

  • IBM Lotus for Mail Protector 2.8.3.0
  • IBM Lotus for Mail Protector 2.8.1.0

 

 

IMPACT

 

Denial of service with application crash.

 

 

REMEDIATION

 

 

Vendor has released fixes for this vulnerability.

A php-upgrade-7_2_7 will solve the problem.

 

For IBM Lotus Protector for mail security, follow the vendor’s link below:

https://www-01.ibm.com/support/docview.wss?uid=ibm10787455