Security Bulletin: IBM Dynamic System Analysis (DSA) Preboot is affected by vulnerabilities in libTIFF

Summary

IBM Dynamic System Analysis (DSA) Preboot has addressed the following vulnerabilities in libTIFF.

Vulnerability Details

CVEID: CVE-2018-18661 DESCRIPTION: LibTIFF is vulnerable to a denial of service, caused by a NULL pointer dereference in the LZWDecode function in tif_lzw.c. By persuading a victim to open a specially-crafted file, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base Score: 3.3
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/152035&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)

CVEID: CVE-2018-12900 DESCRIPTION: LibTIFF is vulnerable to a denial of service, caused by a heap-based buffer overflow in the cpSeparateBufToContigBuf function in tiffcp.c. By persuading a victim to open a specially-crafted file, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base Score: 5.5
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/145464&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)

CVEID: CVE-2017-9147 DESCRIPTION: LibTIFF is vulnerable to a denial of service, caused by an invalid read in the _TIFFVGetField function. By persuading a victim to open a specially-crafted TIFF image file, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base Score: 3.3
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/127484&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)

CVEID: CVE-2017-9117 DESCRIPTION: LibTIFF is vulnerable to a heap-based buffer overflow, caused by the processing of BMP images without verifying that biWidth and biHeight in the bitmap-information header match the actual input. By using a specially crafted BMP image, attacker could overflow a buffer in bmp2tiff and execute arbitrary code on the system.
CVSS Base Score: 5.3
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/126280&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L)

CVEID: CVE-2017-17942 DESCRIPTION: LibTIFF is vulnerable to a heap-based buffer overflow, caused by improper bounds checking by the function PackBitsEncode in tif_packbits.c. A local attacker could overflow a buffer and execute arbitrary code on the system.
CVSS Base Score: 5.9
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/136935&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

CVEID: CVE-2016-9273 DESCRIPTION: LibTIFF is vulnerable to a heap-based buffer overflow, caused by improper bounds checking by tiffsplit. By persuading a victim to open a specially-crafted file, a remote attacker could overflow a buffer and cause the application to crash.
CVSS Base Score: 6.3
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/122213&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:L/I:L/A:L)

CVEID: CVE-2016-5319 DESCRIPTION: libTIFF is vulnerable to a denial of service, caused by a heap-based buffer overflow in tif_packbits.c. By persuading a victim to open a specially-crafted bmp file, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base Score: 5.5
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/125599&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)

CVEID: CVE-2016-3621 DESCRIPTION: LibTIFF is vulnerable to a denial of service, caused by an out-of-bounds read in the LZWEncode function in tif_lzw.c. By persuading a victim to open a specially crafted BMP file, a remote attacker could exploit this vulnerability to cause a denial of service.
CVSS Base Score: 4.3
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/112049&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:N/I:N/A:L)

CVEID: CVE-2016-3620 DESCRIPTION: LibTIFF is vulnerable to a denial of service, caused by an out-of-bounds read in the ZIPEncode function in tif_zip.c. By persuading a victim to open a specially crafted BMP file, a remote attacker could exploit this vulnerability to cause a denial of service.
CVSS Base Score: 4.3
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/112048&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:N/I:N/A:L)

CVEID: CVE-2016-3619 DESCRIPTION: LibTIFF is vulnerable to a denial of service, caused by an out-of-bounds read in the bmp2tiff function DumpModeEncode. By persuading a victim to open a specially crafted BMP file, a remote attacker could exploit this vulnerability to cause a denial of service.
CVSS Base Score: 4.3
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/112019&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:N/I:N/A:L)

CVEID: CVE-2015-8870 DESCRIPTION: LibTIFF is vulnerable to a denial of service, caused by an integer overflow in tools/bmp2tiff.c. By using a specially-crafted BMP file, an attacker could exploit this vulnerability to cause the a denial of service, or obtain sensitive information from the process memory.
CVSS Base Score: 5.4
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/120073&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:L/I:N/A:L)

Affected Products and Versions

Product

|

Affected Version

—|—

IBM Dynamic System Analysis (DSA) Preboot

|

9.6

Remediation/Fixes

Firmware fix versions are available on Fix Central: <http://www.ibm.com/support/fixcentral/&gt;

Product

|

Fix Version

—|—

IBM Dynamic System Analysis (DSA) Preboot
(ibm_fw_dsa_dsyte2z-9.65_anyos_32-64)

|

dsyte2z-9.65

Workarounds and Mitigations

None