VulnerabilityModified

CVE-2017-13099

wolfSSL prior to version 3.12.2 provides a weak Bleichenbacher oracle when any TLS cipher suite using RSA key exchange is negotiated.

MEDIUM 5.9EPSS 24.9%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 24.9%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.

Description

wolfSSL prior to version 3.12.2 provides a weak Bleichenbacher oracle when any TLS cipher suite using RSA key exchange is negotiated. An attacker can recover the private key from a vulnerable wolfSSL application. This vulnerability is referred to as "ROBOT."

CVSS 3.0: 5.9 MEDIUMCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS: 24.92% probability · 98th percentile
CISA KEV: Not listed
Weakness: CWE-203
Affected: wolfssl/wolfssl · siemens/scalance w1750d firmware · arubanetworks/instant
Source: cret@cert.org

References

http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2018-002.txtThird Party Advisory
http://www.kb.cert.org/vuls/id/144389Issue Tracking, Mitigation, Third Party Advisory, US Government Resource
http://www.securityfocus.com/bid/102174Issue Tracking, Mitigation, Third Party Advisory, VDB Entry
https://cert-portal.siemens.com/productcert/pdf/ssa-464260.pdfThird Party Advisory
https://github.com/wolfSSL/wolfssl/pull/1229Issue Tracking, Patch, Third Party Advisory
https://robotattack.org/Issue Tracking, Third Party Advisory
http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2018-002.txtThird Party Advisory
http://www.kb.cert.org/vuls/id/144389Issue Tracking, Mitigation, Third Party Advisory, US Government Resource
http://www.securityfocus.com/bid/102174Issue Tracking, Mitigation, Third Party Advisory, VDB Entry
https://cert-portal.siemens.com/productcert/pdf/ssa-464260.pdfThird Party Advisory
https://github.com/wolfSSL/wolfssl/pull/1229Issue Tracking, Patch, Third Party Advisory
https://robotattack.org/Issue Tracking, Third Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.