VulnerabilityModified
CVE-2019-25005
A ChaCha20 counter overflow makes it easier for attackers to determine plaintext.
HIGH 7.5EPSS 1.31%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.31%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue was discovered in the chacha20 crate before 0.2.3 for Rust. A ChaCha20 counter overflow makes it easier for attackers to determine plaintext.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 1.31% probability · 69th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- chacha20 project/chacha20
- Source
- cve@mitre.org
References
- https://rustsec.org/advisories/RUSTSEC-2019-0029.htmlThird Party Advisory
- https://rustsec.org/advisories/RUSTSEC-2019-0029.htmlThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.