Vulnerability Monitor

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CVE-2021-24115

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

Published

2021-02-22T02:15:14.180

Last Modified

2024-11-21T05:52:23.223

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	botan_project	botan	< 2.17.3	Yes

References

https://botan.randombit.net/news.html Release Notes, Vendor Advisory ([email protected])
https://github.com/randombit/botan/compare/2.17.2...2.17.3 Patch, Third Party Advisory ([email protected])
https://github.com/randombit/botan/pull/2549 Patch, Third Party Advisory ([email protected])
https://botan.randombit.net/news.html Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/randombit/botan/compare/2.17.2...2.17.3 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/randombit/botan/pull/2549 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)