CVE-2018-9860
An issue was discovered in Botan 1.11.32 through 2.x before 2.6.0. An off-by-one error when processing malformed TLS-CBC ciphertext could cause the receiving side to include in the HMAC computation exactly 64K bytes of data following the record buffer, aka an over-read. The MAC comparison will subsequently fail and the connection will be closed. This could be used for denial of service. No information leak occurs.
- Score
- CVSS 3.0 7.5 High
- Status
- Modified - cve@mitre.org
- Published
- 2018-04-12
- Last modified
- 2024-08-05
- Weaknesses
- CWE-193
Affected products
References
- https://botan.randombit.net/security.html
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7434
