Security Bulletin: Vulnerabilities in libpng affect Rational DOORS (CVE-2015-8126, CVE-2015-8472)

Summary

Vulnerabilities in libpng affect Rational DOORS.

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: 8.800 CVSS Temporal Score (X-Force Link): see <https://exchange.xforce.ibmcloud.com/vulnerabilities/108010&gt; 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

CVE-ID: 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**: 6.300**
CVSS Temporal Score (X-Force Link)*: see https://exchange.xforce.ibmcloud.com/vulnerabilities/109392for 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

Rational DOORS: 9.3.0.0 - 9.3.0.10, 9.4.0.0 - 9.4.0.4, 9.5.0.0 - 9.5.0.4, 9.5.1.0 - 9.5.1.5, 9.5.2.0 - 9.5.2.4, 9.6.0.0 - 9.6.0.4, 9.6.1.0 - 9.6.1.4

The following Rational DOORS components are affected:

• Rational DOORS desktop client
• Rational DOORS database server
• Rational DOORS interoperation server

Remediation/Fixes

Upgrade to the fix pack that corresponds to the version of Rational DOORS that you are running, as shown in the following table. Upgrade the Rational DOORS client, the Rational DOORS database server, and the Rational DOORS interoperation server.
You should verify applying this fix does not cause any compatibility issues.

For Rational DOORS version 9.2.x and earlier, IBM recommends upgrading to a fixed, supported version/release/platform of the product.

If you are using Rational DOORS Web Access, after you upgrade but before you start the Rational DOORS Web Access server, edit the core configuration file and set the required version of the interoperation server to the version of the fix pack upgrade, as described in this procedure.

Procedure:

1. To edit the Rational DOORS Web Access core configuration file, open the festival.xml file, which is in the server\festival\config directory.

2. Add the following line in the <f:properties> section:

`<**f:property name="interop.version" value="9.n.n.n"** />

Replace "9.n.n.n`" with the version of the fix pack upgrade: 9.3.0.12, 9.4.0.6, 9.5.0.6, 9.5.1.7, 9.5.2.6, 9.6.0.5, or 9.6.1.5.

3. Save and close the file.

After this revision, only the specified version of the interoperation server can access the Rational DOORS database.

Workarounds and Mitigations

None