Security Bulletin: IBM App Connect Enterprise Certified Container DesignerAuthoring operands that use mapping assistance are vulnerable to denial of service and loss of confidentiality due to multiple vulnerabilities in libtiff

Summary

libtiff is not used directly by IBM App Connect Enterprise Certified Container but is present in one of the DesignerAuthoring images. IBM App Connect Enterprise Certified Container DesignerAuthoring operands that use mapping assistance are vulnerable to denial of service and loss of confidentiality. This bulletin provides patch information to address the reported vulnerability in libtiff. [CVE-2023-3618], [CVE-2022-3570], [CVE-2023-25434], [CVE-2023-26965], [CVE-2023-3164], [CVE-2023-3316], [CVE-2023-25435], [CVE-2023-26966], [CVE-2023-25433], [CVE-2022-48281]

Vulnerability Details

CVEID:CVE-2023-3618
**DESCRIPTION:**libtiff is vulnerable to a denial of service, caused by a segmentation fault in the Fax3Encode function at libtiff/tif_fax3.c when parsing TIFF files. By persuading a victim to open a specially crafted TIFF file, a remote attacker could exploit this vulnerability to cause a denial of service.
CVSS Base score: 5.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/260568 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)

CVEID:CVE-2022-3570
**DESCRIPTION:**LibTIFF could allow a remote attacker to obtain sensitive information, caused by multiple heap-based buffer overflows in tiffcrop.c utility. By persuading a victim to open a specially-crafted TIFF image file, an attacker could exploit this vulnerability to obtain sensitive information or cause the application to crash.
CVSS Base score: 7.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/239178 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H)

CVEID:CVE-2023-25434
**DESCRIPTION:**LibTIFF is vulnerable to a denial of service, caused by a heap-based buffer overflow in the extractContigSamplesBytes() function in /libtiff/tools/tiffcrop.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/258193 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)

CVEID:CVE-2023-26965
**DESCRIPTION:**LibTIFF is vulnerable to a denial of service, caused by a heap-based buffer overflow in the loadImage() function in /libtiff/tools/tiffcrop.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/258196 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)

CVEID:CVE-2023-3164
**DESCRIPTION:**LibTIFF is vulnerable to a denial of service, caused by a heap-based buffer overflow in the extractImageSection() function in tools/tiffcrop.c. By persuading a victim to open a specially crafted tiff 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/258460 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)

CVEID:CVE-2023-3316
**DESCRIPTION:**Libtiff is vulnerable to a denial of service, caused by a NULL pointer dereference in TIFFClose(). By persuading a victim to open a specially crafted file, a remote attacker could exploit this vulnerability to cause a denial of service.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/258398 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID:CVE-2023-25435
**DESCRIPTION:**LibTIFF is vulnerable to a denial of service, caused by a heap-based buffer overflow in the extractContigSamplesShifted8bits() function at /libtiff/tools/tiffcrop.c. By persuading a victim to open a specially crafted tiff file, a remote attacker could exploit this vulnerability to cause a denial of service.
CVSS Base score: 5.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/258695 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)

CVEID:CVE-2023-26966
**DESCRIPTION:**Libtiff is vulnerable to a denial of service, caused by a buffer overflow in uv_encode(). By persuading a victim to open a specially crafted file, a remote attacker could exploit this vulnerability to cause a denial of service.
CVSS Base score: 3.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/259560 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)

CVEID:CVE-2023-25433
**DESCRIPTION:**LibTIFF is vulnerable to a denial of service, caused by a heap-based buffer overflow in /libtiff/tools/tiffcrop.c. By persuading a victim to open a specially crafted 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/259409 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)

CVEID:CVE-2022-48281
**DESCRIPTION:**LibTIFF is vulnerable to a denial of service, caused by a heap-based buffer overflow in the processCropSelections function in tools/tiffcrop.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/245201 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)

Affected Products and Versions

Remediation/Fixes

IBM strongly suggests the following:
App Connect Enterprise Certified Container 4.1.x to 9.0.x (Continuous Delivery)

Upgrade to App Connect Enterprise Certified Container Operator version 9.1.0 or higher, and ensure that all DesignerAuthoring components are at 12.0.9.0-r1 or higher. Documentation on the upgrade process is available at <https://www.ibm.com/docs/en/app-connect/containers_cd?topic=releases-upgrading-operator&gt;

App Connect Enterprise Certified Container 5.0 LTS (Long Term Support)

Upgrade to App Connect Enterprise Certified Container Operator version 5.0.9 or higher, and ensure that all DesignerAuthoring components are at 12.0.9.0-r1-lts or higher. Documentation on the upgrade process is available at <https://www.ibm.com/docs/en/app-connect-contlts?topic=releases-upgrading-operator&gt;

Workarounds and Mitigations

None