vulnwire
5.9med

CVE-2016-2402

Improper Certificate Validation in OkHttp

Also known as GHSA-4hc2-jh7r-wrc3

Published 9 y ago · modified 4 mo ago · JSON

CVSS
5.9
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
1.9%
percentile 80%
Public exploits
0
none known

OkHttp before 2.7.4 and 3.x before 3.1.2 allows man-in-the-middle attackers to bypass certificate pinning by sending a certificate chain with a certificate from a non-pinned trusted CA and the pinned certificate.

Exploit prediction (EPSS)

1.94% probability of exploitation in the next 30 days, higher than 80% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.15.9CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD2.04.3AV:N/AC:M/Au:N/C:N/I:P/A:N
GitHub3.15.9CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected packages

EcosystemPackageAffectedFixed in
mavencom.squareup.okhttp3:okhttp
<2.7.4
>=3.0.0, <3.1.2
2.7.4
3.1.2

Classification

Weakness
  • CWE-295 Improper Certificate Validation

References

  • koz.io /pinning-cve-2016-2402/ · x_refsource_MISC, x_transferred
  • publicobject.com /2016/02/11/okhttp-certificate-pinning-vulnerability/ · x_refsource_CONFIRM, x_transferred
  • openwall.com /lists/oss-security/2016/02/10/8 · mailing-list, x_refsource_MLIST, x_transferred
  • openwall.com /lists/oss-security/2016/02/18/7 · mailing-list, x_refsource_MLIST, x_transferred
  • lists.apache.org /thread.html/rd0e44e8ef71eeaaa3cf3d1b8b41eb25894372e2995ec908ce7624d26%40%3Ccommits.pulsar · mailing-list, x_refsource_MLIST, x_transferred
  • nvd.nist.gov /vuln/detail/CVE-2016-2402 · advisory
  • github.com /square/okhttp · package
  • koz.io /pinning-cve-2016-2402 · web
  • lists.apache.org /thread.html/rd0e44e8ef71eeaaa3cf3d1b8b41eb25894372e2995ec908ce7624d26@%3Ccommits.pulsar.a · web
  • publicobject.com /2016/02/11/okhttp-certificate-pinning-vulnerability · web

Sources

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