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osvGoogleOSV:GHSA-XQCF-VGQC-PCMG
HistoryNov 25, 2022 - 9:30 p.m.

Moodle blind Server-Side Request Forgery (SSRF) vulnerability in LTI provider library

2022-11-2521:30:26
Google
osv.dev
4
moodle
ssrf
lti provider
vulnerability
curl
remote attacker
security
http request
validation

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

7.1 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

69.7%

A blind Server-Side Request Forgery (SSRF) vulnerability was found in Moodle. This flaw exists due to insufficient validation of user-supplied input in LTI provider library. The library does not utilise Moodle’s inbuilt cURL helper, which resulted in a blind SSRF risk. An attacker can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems. This vulnerability allows a remote attacker to perform SSRF attacks.

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

7.1 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

69.7%