Vulnerability · Published Feb 22, 2021 · Assigned by mitre
CVE-2021-24115
Critical 9.8
In plain English
A critical-severity security flaw in the botan package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.9% (higher than 80% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)1.9%top 20.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
In Botan before 2.17.3, constant-time computations are not used for certain decoding and encoding operations (base32, base58, base64, and hex).
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | botan | 2.17.3-r0 | ALPINE-CVE-2021-24115 |
| Alpine:v3.21 | botan | 2.17.3-r0 | ALPINE-CVE-2021-24115 |
| Debian:12 | botan | 2.17.3+dfsg-1 | DEBIAN-CVE-2021-24115 |
| Debian:13 | botan | 2.17.3+dfsg-1 | DEBIAN-CVE-2021-24115 |
Affected products (as reported)
References
- https://github.com/randombit/botan/compare/2.17.2...2.17.3 x_refsource_MISC
- https://github.com/randombit/botan/pull/2549 x_refsource_MISC
- https://botan.randombit.net/news.html x_refsource_CONFIRM