Debian update for simplesamlphp



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-3465
CWE-ID CWE-617
Exploitation vector Network
Public exploit N/A
Vulnerable software
 simplesamlphp (Debian package)
Operating systems & Components / Operating system package or component

Vendor Debian

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Reachable Assertion

EUVDB-ID: #VU22596

Risk: Medium

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-3465

CWE-ID: CWE-617 - Reachable Assertion

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication.

The vulnerability exists due to an assertion failure when processing signatures, related to XPath expression "./secdsig:SignedInfo/secdsig:Reference". A remote attacker with ability to retrieve IdP can impersonate any user i the application.

Successful exploitation of the vulnerability may allow an attacker to gain access to sensitive information or compromise the affected application.

Mitigation

Update the affected package to version: 1.14.11-1+deb9u2, 1.16.3-1+deb10u1.

Vulnerable software versions

simplesamlphp (Debian package): 1.5.0~rc1-1 - 1.17.6-1

CPE2.3 External links

https://www.debian.org/security/2019/dsa-4560


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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