PT-2022-9197 · Konica Minolta · Bizhub

Mr. Benjamin Kienle + 1 · Published 2022-01-04 · Updated 2022-01-13 · CVE-2021-20870

Positive Technologies (AI Summary)

CVSS v3.1

4.6

Medium

Base vector

AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions KONICA MINOLTA bizhub series versions G00-35 and earlier KONICA MINOLTA bizhub series versions G00-B6 and earlier KONICA MINOLTA bizhub series versions G00-37 and earlier KONICA MINOLTA bizhub series versions G00-33 and earlier KONICA MINOLTA bizhub series versions G00-19 and earlier KONICA MINOLTA bizhub series versions GC7-X8 and earlier KONICA MINOLTA bizhub series versions GC9-X4 and earlier KONICA MINOLTA bizhub series versions GDQ-M0 and earlier KONICA MINOLTA bizhub series versions GDQ-M1 and earlier KONICA MINOLTA bizhub series versions GR1-M0 and earlier KONICA MINOLTA bizhub series versions G00-22 and earlier

Description The issue is related to improper handling of exceptional conditions, allowing a physical attacker to obtain unsent scanned image data when scanned data transmission is stopped due to a network error by ejecting a HDD before the scan job times out.

Recommendations For KONICA MINOLTA bizhub series versions G00-35 and earlier, consider disabling the scan job functionality until a patch is available. For KONICA MINOLTA bizhub series versions G00-B6 and earlier, restrict access to the HDD to minimize the risk of exploitation. For KONICA MINOLTA bizhub series versions G00-37 and earlier, avoid using the scan data transmission feature until the issue is resolved. For KONICA MINOLTA bizhub series versions G00-33 and earlier, consider implementing additional security measures to protect against physical attacks. For KONICA MINOLTA bizhub series versions G00-19 and earlier, restrict access to the scan job functionality to authorized personnel only. For KONICA MINOLTA bizhub series versions GC7-X8 and earlier, consider updating the firmware to a version that addresses the issue. For KONICA MINOLTA bizhub series versions GC9-X4 and earlier, disable the HDD ejection feature until a patch is available. For KONICA MINOLTA bizhub series versions GDQ-M0 and earlier, restrict access to the scan data transmission feature until the issue is resolved. For KONICA MINOLTA bizhub series versions GDQ-M1 and earlier, consider implementing additional security measures to protect against physical attacks. For KONICA MINOLTA bizhub series versions GR1-M0 and earlier, avoid using the scan job functionality until the issue is resolved. For KONICA MINOLTA bizhub series versions G00-22 and earlier, consider disabling the scan data transmission feature until a patch is available.

Fix

Improper Handling of Exceptional Conditions

Weakness Enumeration

CWE-755

Related Identifiers

CVE-2021-20870

Affected Products

Bizhub

References · 7

• https://konicaminolta.com/global/newsroom/topics/2021/1224-01-01.html · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-20870 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-20870 · Security Note
• https://konicaminolta.jp/business/support/important/211224_01_01.html · Vendor Advisory
• https://jvn.jp/vu/JVNVU95192472/index.html · Note
• https://t.me/cibsecurity/34908 · Telegram Post
• https://jvn.jp/en/vu/JVNVU95192472/index.html · Note