Side-channel attack in Libgcrypt - CVE-2017-7526
Published: June 30, 2017 / Updated: June 30, 2017
Vulnerability identifier: #VU7276
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-7526
CWE-ID: CWE-310
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: GNU
Affected software:
Libgcrypt
Libgcrypt
Detailed vulnerability description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists in libgcrypt's RSA-1024 implementation using left-to-right method for computing the sliding-window expansion. A remote attacker can perform side-channel attack and gain access to potentially sensitive information.
The vulnerability exists in libgcrypt's RSA-1024 implementation using left-to-right method for computing the sliding-window expansion. A remote attacker can perform side-channel attack and gain access to potentially sensitive information.
How to mitigate CVE-2017-7526
Update libgcrypt to version 1.7.8.