Security Bulletin
Summary
An IBM Form (XFDL document) that contains a specially crafted PNG image can crash IBM Forms Viewer. This can occur based on the Viewer's use of this library.
Vulnerability Details
CVEID: CVE-2015-8126
DESCRIPTION: libpng is vulnerable to a buffer overflow, caused by improper bounds checking by the png_set_PLTE() and png_get_PLTE() functions. By persuading a victim to open a specially-crafted PNG file, a remote attacker could overflow a buffer and execute arbitrary code on the system.
CVSS Base Score: 8.8
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/108010 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
CVEID: CVE-2015-8472
DESCRIPTION: libpng is vulnerable to a buffer overflow, caused by improper bounds checking by the png_get_PLTE() and png_set_PLTE() functions. By persuading a victim to open a specially crafted PNG image, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
CVSS Base Score: 6.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/109392 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L)
Affected Products and Versions
IBM Forms Viewer 4.0.*
IBM Forms Viewer 8.0.0
IBM Forms Viewer 8.0.1
IBM Forms Viewer 8.1
IBM Forms Viewer 8.2
IBM Forms Viewer 8.2.1
Remediation/Fixes
|
Product | VRMF | APAR | Remediation |
| IBM Forms Viewer | 4.0.0.* | LO87834 | Download and install LO87834 |
| IBM Forms Viewer | 8.0.0.* | LO87834 | Download and install LO87834 |
| IBM Forms Viewer | 8.0.1.* | LO87834 | |
| IBM Forms Viewer | 8.1.0.* | LO87834 | Download and install LO87834 |
| IBM Forms Viewer | 8.2.0.* | LO87834 | Download and install LO87834 |
| IBM Forms Viewer | 8.2.1.* | LO87834 | Download and install LO87834 |
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References
Change History
15 February 2016
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
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Document Information
Modified date:
16 June 2018
UID
swg21973231