Vulnerability · Published Jun 25, 2020 · Assigned by mitre
CVE-2020-11735
Medium 5.3
In plain English
A medium-severity security flaw in the wolfssl package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 70% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.3Medium
Exploit odds (30 days)1.3%top 29.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
The private-key operations in ecc.c in wolfSSL before 4.4.0 do not use a constant-time modular inverse when mapping to affine coordinates, aka a "projective coordinates leak."
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | wolfssl | 4.4.0+dfsg-1 | DEBIAN-CVE-2020-11735 |
| Debian:13 | wolfssl | 4.4.0+dfsg-1 | DEBIAN-CVE-2020-11735 |
Affected products (as reported)
References
- https://github.com/wolfSSL/wolfssl/commit/1de07da61f0c8e9926dcbd68119f73230dae283f x_refsource_CONFIRM
- https://github.com/wolfSSL/wolfssl/releases/tag/v4.4.0-stable x_refsource_CONFIRM