SARA / Free Tools / CVE / CVE-2018-5241

CVE-2018-5241 — Symantec Advanced Secure Gateway (ASG) 6

Symantec Advanced Secure Gateway (ASG) 6.6 and 6.7, and ProxySG 6.5, 6.6, and 6.7 are susceptible to a SAML authentication bypass vulnerability. The products can be configured with a SAML authentication realm to authenticate network users in intercepted proxy traffic. When parsin

CVSS
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EPSS
7.08% (top 8.60%)
CWE
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Published
2018-05-29T13:00:00.000Z
Last modified
2024-09-17T03:28:24.667Z
CVSS vector
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01What is this vulnerability?

Symantec Advanced Secure Gateway (ASG) 6.6 and 6.7, and ProxySG 6.5, 6.6, and 6.7 are susceptible to a SAML authentication bypass vulnerability. The products can be configured with a SAML authentication realm to authenticate network users in intercepted proxy traffic. When parsing SAML responses, ASG and ProxySG incorrectly handle XML nodes with comments. A remote attacker can modify a valid SAML…

02Affected products

VendorProductVersions
Symantec CorporationAdvanced Secure Gateway (ASG)6.6, 6.7
Symantec CorporationProxySG6.5, 6.6, 6.7

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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