Information Exposure Affecting mbedtls package, versions *
Snyk CVSS
Attack Complexity
High
Confidentiality
High
Threat Intelligence
EPSS
0.05% (19th
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN9-MBEDTLS-543108
- published 23 Jan 2020
- disclosed 23 Jan 2020
Introduced: 23 Jan 2020
CVE-2019-18222 Open this link in a new tabHow to fix?
There is no fixed version for Debian:9
mbedtls
.
NVD Description
Note: Versions mentioned in the description apply only to the upstream mbedtls
package and not the mbedtls
package as distributed by Debian
.
See How to fix?
for Debian:9
relevant fixed versions and status.
The ECDSA signature implementation in ecdsa.c in Arm Mbed Crypto 2.1 and Mbed TLS through 2.19.1 does not reduce the blinded scalar before computing the inverse, which allows a local attacker to recover the private key via side-channel attacks.
References
- https://security-tracker.debian.org/tracker/CVE-2019-18222
- https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2019-12
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A3GWQNONS7GRORXZJ7MOJFUEJ2ZJ4OUW/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NGDACU65MYZXXVPQP2EBHUJGOR4RWLVY/
- https://tls.mbed.org/tech-updates/security-advisories
- https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A3GWQNONS7GRORXZJ7MOJFUEJ2ZJ4OUW/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NGDACU65MYZXXVPQP2EBHUJGOR4RWLVY/