medium5.9
CVE-2018-12435
Botan 2.5.0 through 2.6.0 before 2.7.0 allows a memory-cache side-channel attack on ECDSA signatures, aka the Return Of the Hidden Number Problem or ROHNP, rel…
Impact
Botan 2.5.0 through 2.6.0 before 2.7.0 allows a memory-cache side-channel attack on ECDSA signatures, aka the Return Of the Hidden Number Problem or ROHNP, related to dsa/dsa.cpp, ec_group/ec_group.cpp, and ecdsa/ecdsa.cpp. To discover an ECDSA key, the attacker needs access to either the local machine or a different virtual machine on the same physical host.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Botan Project | Botan | from 2.5.0 through 2.7.0 |
Weakness classification
References
- NVD record
- CVE.org record
- https://botan.randombit.net/security.html
- https://github.com/randombit/botan/commit/48fc8df51d99f9d8ba251219367b3d629cc848e3
- https://www.nccgroup.trust/us/our-research/technical-advisory-return-of-the-hidden-number-problem/
- https://botan.randombit.net/security.html
- https://github.com/randombit/botan/commit/48fc8df51d99f9d8ba251219367b3d629cc848e3
- https://www.nccgroup.trust/us/our-research/technical-advisory-return-of-the-hidden-number-problem/