PT-2020-7881 · Lenovo · Lenovo System Update

Published 2020-03-27 · Updated 2020-04-01 · CVE-2015-7336

Positive Technologies (AI Summary)

CVSS v2.0

5.0

Medium

Base vector

AV:N/AC:L/Au:N/C:N/I:P/A:N

Name of the Vulnerable Software and Affected Versions: Lenovo System Update versions 5.07.0008 and prior

Description: A vulnerability was reported in Lenovo System Update that could allow the signature check of an update to be bypassed. This issue was fixed and publicly disclosed in 2015.

Recommendations: For versions 5.07.0008 and prior, update to a version released after 2015 to resolve the issue. As a temporary workaround, consider restricting the use of the Lenovo System Update feature until a patch is applied.

Fix

Improper Verification of Cryptographic Signature

Weakness Enumeration

CWE-347

Related Identifiers

CVE-2015-7336

Affected Products

Lenovo System Update

References · 4

• https://support.lenovo.com/us/en/product_security/lsu_privilege · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2015-7336 · Security Note
• https://t.me/cibsecurity/10789 · Telegram Post
• https://t.me/cvenotify/2229 · Telegram Post