CVE-2021-24115 — Project Botan vulnerability

5 documents5 sources
Severity
9.8CRITICALNVD
EPSS
0.7%
top 27.71%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Botan Project BotanDebian Botan
Timeline
PublishedFeb 22
Latest updateMay 24

Description

In Botan before 2.17.3, constant-time computations are not used for certain decoding and encoding operations (base32, base58, base64, and hex).

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages3 packages

▶debiandebian/botan< botan 2.17.3+dfsg-1 (bookworm)
▶NVDbotan_project/botan< 2.17.3
▶Debianbotan_project/botan< 2.17.3+dfsg-1+2

Patches

Patch: github.com ↗Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-cj2q-f8cp-cqmf: In Botan before 2↗2022-05-24
▶
OSV
CVE-2021-24115: In Botan before 2↗2021-02-22
▶

📋Vendor Advisories

1
Debian
CVE-2021-24115: botan - In Botan before 2.17.3, constant-time computations are not used for certain deco...↗2021
▶

📄Research Papers

1
arXiv
Util::Lookup: Exploiting key decoding in cryptographic libraries↗2021-08-10
▶