VulnerabilityModified
CVE-2016-2196
Heap-based buffer overflow in the P-521 reduction function in Botan 1.11.x before 1.11.27 allows remote attackers to cause a denial of service (memory overwrite and crash) or execute arbitrary code via unspecified vectors.
CRITICAL 9.8EPSS 5.34%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (5.34%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Heap-based buffer overflow in the P-521 reduction function in Botan 1.11.x before 1.11.27 allows remote attackers to cause a denial of service (memory overwrite and crash) or execute arbitrary code via unspecified vectors.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 5.34% probability · 92th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- botan project/botan
- Source
- cve@mitre.org
References
- http://botan.randombit.net/security.htmlVendor Advisory
- http://marc.info/?l=botan-devel&m=145435148602911&w=2Vendor Advisory
- http://botan.randombit.net/security.htmlVendor Advisory
- http://marc.info/?l=botan-devel&m=145435148602911&w=2Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.