Vulnerability Report

CVE-2018-20200

Title: Squareup Okhttp

Other

Proof Of Concept

No public PoC currently indexed for CVE-2018-20200.

CWE Category CWE-295
Published Date Apr 18, 2019
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 5.9 CVSS v3.0
Exploit Probability (EPSS)
2.48%

Vulnerability Summary

CVE-2018-20200: CertificatePinner.java in OkHttp 3.x through 3.12.0 allows man-in-the-middle attackers to bypass certificate pinning by changing SSLContext and the boolean values while hooking the application. NOTE: This id is disputed because some parties don't consider this is a vulnerability. Their rationale can be found in https://github.com/square/okhttp/issues/4967

Impacted Vendors

S
squareup 1

Reference Links

https://cxsecurity.com/issue/WLB-2018120252 https://github.com/square/okhttp/commits/master https://github.com/square/okhttp/issues/4967 https://github.com/square/okhttp/releases https://lists.apache.org/thread.html/519eb0fd45642dcecd9ff74cb3e71c20a4753f7d82e2f07864b5108f%40%3Cdev.drill.apache.org%3E https://lists.apache.org/thread.html/b0656d359c7d40ec9f39c8cc61bca66802ef9a2a12ee199f5b0c1442%40%3Cdev.drill.apache.org%3E https://lists.apache.org/thread.html/f9bc3e55f4e28d1dcd1a69aae6d53e609a758e34d2869b4d798e13cc%40%3Cissues.drill.apache.org%3E https://lists.apache.org/thread.html/r0dd7ff197b2e3bdd80a0326587ca3d0c22e10d1dba17c769d6da7d7a%40%3Cuser.flink.apache.org%3E https://lists.apache.org/thread.html/r71100f23778d72fbd8be8baa6baffc159b9c4f3fae3db4826bdc8ab8%40%3Cissues.flink.apache.org%3E https://lists.apache.org/thread.html/r78bfce980843be61a55615a7680bbf7ac751a9b3515231eab2d32068%40%3Cissues.flink.apache.org%3E https://lists.apache.org/thread.html/rc436d58531754ac8fe20340044566518ea4dce66aeff9193356a225d%40%3Cissues.flink.apache.org%3E https://lists.apache.org/thread.html/rd0e44e8ef71eeaaa3cf3d1b8b41eb25894372e2995ec908ce7624d26%40%3Ccommits.pulsar.apache.org%3E https://lists.apache.org/thread.html/recce57e195fbdd856dcf1933c136a8a66d7b02e05e3580f44d75a640%40%3Cissues.flink.apache.org%3E https://lists.apache.org/thread.html/rfd1eed12ba2a5dff37229edd60fc84a25517815d848994146a15af91%40%3Cissues.flink.apache.org%3E https://square.github.io/okhttp/3.x/okhttp/ https://cxsecurity.com/issue/WLB-2018120252 https://github.com/square/okhttp/commits/master https://github.com/square/okhttp/issues/4967 https://github.com/square/okhttp/releases https://lists.apache.org/thread.html/519eb0fd45642dcecd9ff74cb3e71c20a4753f7d82e2f07864b5108f%40%3Cdev.drill.apache.org%3E https://lists.apache.org/thread.html/b0656d359c7d40ec9f39c8cc61bca66802ef9a2a12ee199f5b0c1442%40%3Cdev.drill.apache.org%3E https://lists.apache.org/thread.html/f9bc3e55f4e28d1dcd1a69aae6d53e609a758e34d2869b4d798e13cc%40%3Cissues.drill.apache.org%3E https://lists.apache.org/thread.html/r0dd7ff197b2e3bdd80a0326587ca3d0c22e10d1dba17c769d6da7d7a%40%3Cuser.flink.apache.org%3E https://lists.apache.org/thread.html/r71100f23778d72fbd8be8baa6baffc159b9c4f3fae3db4826bdc8ab8%40%3Cissues.flink.apache.org%3E https://lists.apache.org/thread.html/r78bfce980843be61a55615a7680bbf7ac751a9b3515231eab2d32068%40%3Cissues.flink.apache.org%3E https://lists.apache.org/thread.html/rc436d58531754ac8fe20340044566518ea4dce66aeff9193356a225d%40%3Cissues.flink.apache.org%3E https://lists.apache.org/thread.html/rd0e44e8ef71eeaaa3cf3d1b8b41eb25894372e2995ec908ce7624d26%40%3Ccommits.pulsar.apache.org%3E https://lists.apache.org/thread.html/recce57e195fbdd856dcf1933c136a8a66d7b02e05e3580f44d75a640%40%3Cissues.flink.apache.org%3E https://lists.apache.org/thread.html/rfd1eed12ba2a5dff37229edd60fc84a25517815d848994146a15af91%40%3Cissues.flink.apache.org%3E https://square.github.io/okhttp/3.x/okhttp/
CVSS v3.0
Source Entity [email protected]
Severity MEDIUM
5.9
Attack Vector
NETWORK
Complexity
HIGH
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
4.3
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:M/Au:N/C:P/I:N/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2018-20200 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity HIGH
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Stack

No specific products linked.