High severity · published Dec 31, 2020
CVE-2019-25003
An issue was discovered in the libsecp256k1 crate before 0.3.1 for Rust
7.5
CVSS
1.7%
EPSS
No
On KEV
Description
An issue was discovered in the libsecp256k1 crate before 0.3.1 for Rust. Scalar::check_overflow allows a timing side-channel attack; consequently, attackers can obtain sensitive information.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · higher than 77% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Libsecp256k1 · Parity
before 0.3.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-25003
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-25003
Third Party Advisory
https://rustsec.org/advisories/RUSTSEC-2019-0027.html
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