vulnwire
7.5high

CVE-2016-2850

Botan 1.11.x before 1.11.29 does not enforce TLS policy for (1) signature algorithms and (2) ECC curves, which allows remote attackers to c…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.1%
percentile 82%
Public exploits
0
none known

Botan 1.11.x before 1.11.29 does not enforce TLS policy for (1) signature algorithms and (2) ECC curves, which allows remote attackers to conduct downgrade attacks via unspecified vectors.

Exploit prediction (EPSS)

2.14% probability of exploitation in the next 30 days, higher than 82% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.07.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD2.05.0AV:N/AC:L/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-20 Improper Input Validation

References

  • marc.info /?l=botan-devel&m=145852488622892&w=2 · mailing-list, x_refsource_MLIST, x_transferred
  • lists.fedoraproject.org /pipermail/package-announce/2016-May/183669.html · vendor-advisory, x_refsource_FEDORA, x_transferred
  • security.gentoo.org /glsa/201701-23 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • botan.randombit.net /security.html · x_refsource_CONFIRM, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.