Vulnerability Details : CVE-2017-17382
Public exploit exists!
Citrix NetScaler Application Delivery Controller (ADC) and NetScaler Gateway 10.5 before build 67.13, 11.0 before build 71.22, 11.1 before build 56.19, and 12.0 before build 53.22 might allow remote attackers to decrypt TLS ciphertext data by leveraging a Bleichenbacher RSA padding oracle, aka a ROBOT attack.
Products affected by CVE-2017-17382
- cpe:2.3:o:citrix:netscaler_gateway_firmware:10.5:*:*:*:*:*:*:*
- cpe:2.3:o:citrix:netscaler_gateway_firmware:11.1:*:*:*:*:*:*:*
- cpe:2.3:o:citrix:netscaler_gateway_firmware:12.0:*:*:*:*:*:*:*
- cpe:2.3:o:citrix:netscaler_gateway_firmware:11.0:*:*:*:*:*:*:*
- cpe:2.3:o:citrix:application_delivery_controller_firmware:12.0:*:*:*:*:*:*:*
- cpe:2.3:o:citrix:application_delivery_controller_firmware:10.5:*:*:*:*:*:*:*
- cpe:2.3:o:citrix:application_delivery_controller_firmware:11.0:*:*:*:*:*:*:*
- cpe:2.3:o:citrix:application_delivery_controller_firmware:11.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-17382
0.30%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 66 %
Percentile, the proportion of vulnerabilities that are scored at or less
Metasploit modules for CVE-2017-17382
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Scanner for Bleichenbacher Oracle in RSA PKCS #1 v1.5
Disclosure Date: 2009-06-17First seen: 2020-04-26auxiliary/scanner/ssl/bleichenbacher_oracleSome TLS implementations handle errors processing RSA key exchanges and encryption (PKCS #1 v1.5 messages) in a broken way that leads an adaptive chosen-chiphertext attack. Attackers cannot recover a server's private key, but they can decrypt and sign messages with i
CVSS scores for CVE-2017-17382
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:N/A:N |
8.6
|
2.9
|
NIST | |
5.9
|
MEDIUM | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
2.2
|
3.6
|
NIST |
CWE ids for CVE-2017-17382
-
The product uses a broken or risky cryptographic algorithm or protocol.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-17382
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https://support.citrix.com/article/ctx230238
TLS Padding Oracle Vulnerability in Citrix NetScaler Application Delivery Controller (ADC) and NetScaler GatewayVendor Advisory
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https://www.kb.cert.org/vuls/id/144389
VU#144389 - TLS implementations may disclose side channel information via discrepancies between valid and invalid PKCS#1 paddingThird Party Advisory;US Government Resource
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https://robotattack.org/
The ROBOT Attack - Return of Bleichenbacher's Oracle ThreatThird Party Advisory
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http://www.securityfocus.com/bid/102173
Multiple Citrix Products CVE-2017-17382 Information Disclosure VulnerabilityThird Party Advisory;VDB Entry
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http://www.securitytracker.com/id/1039985
Citrix NetScaler TLS Side Channel Leakage Flaw Lets Remote Users Decrypt TLS Session Data - SecurityTrackerThird Party Advisory;VDB Entry
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