Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2020-10932 |
CWE-ID | CWE-327 |
Exploitation vector | Local |
Public exploit | N/A |
Vulnerable software Subscribe |
Arch Linux Operating systems & Components / Operating system |
Vendor | Arch Linux |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU29653
Risk: Low
CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-10932
CWE-ID:
CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
Exploit availability: No
DescriptionThe vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to incorrect implementation of modular inverse operation as implemented in Mbed TLS. An attacker with access to precise enough timing and memory access information (typically an untrusted operating system attacking a secure enclave such as SGX or the TrustZone secure world) can fully recover an ECDSA private key after observing a number of signature operations a.k.k. single-trace side channel attack.
MitigationUpdate the affected package mbedtls to version 2.16.7-1.
Vulnerable software versionsArch Linux: All versions
External linkshttp://security.archlinux.org/advisory/ASA-202007-6
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.