4.3med

CVE-2016-2151

Moodle allows attackers to discover student e-mail addresses

Also known as GHSA-r3fc-hx6q-g6cq

Published 10 y ago · modified 4 mo ago · JSON

CVSS
4.3
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.6%
percentile 76%
Public exploits
0
none known

Summary

user/index.php in Moodle through 2.6.11, 2.7.x before 2.7.13, 2.8.x before 2.8.11, 2.9.x before 2.9.5, and 3.0.x before 3.0.3 grants excessive authorization on the basis of the moodle/course:viewhiddenuserfields capability, which allows remote authenticated users to discover student e-mail addresses by leveraging the teacher role and reading a Participants list.

Exploit prediction (EPSS)

1.58% probability of exploitation in the next 30 days, higher than 76% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.04.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
NVD2.04.0AV:N/AC:L/Au:S/C:P/I:N/A:N
GitHub3.04.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected packages

EcosystemPackageAffectedFixed in
packagistmoodle/moodle
<2.7.13
>=2.8.0, <2.8.11
>=2.9.0, <2.9.5
>=3.0.0, <3.0.3
2.7.13
2.8.11
2.9.5
3.0.3

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

  • openwall.com /lists/oss-security/2016/03/21/1 · mailing-list, x_refsource_MLIST, x_transferred
  • git.moodle.org /gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-52433 · x_refsource_CONFIRM, x_transferred
  • securitytracker.com /id/1035333 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • moodle.org /mod/forum/discuss.php?d=330173 · x_refsource_CONFIRM, x_transferred
  • nvd.nist.gov /vuln/detail/CVE-2016-2151 · advisory
  • github.com /moodle/moodle/commit/089ab60017cd3207990658fbd37f7f31948539fa · web
  • github.com /moodle/moodle/commit/094fddd00f2e8e832e21e80f417c7b88b33a1f27 · web
  • github.com /moodle/moodle/commit/85380c6b616e82e31115fbb585d37f0e15f8b0b2 · web
  • github.com /moodle/moodle/commit/8e24a54e526c149469bd77c910876c4489e87841 · web
  • github.com /moodle/moodle/commit/a0034bb01773e36dffed2a665646f9cc31d68d5b · web
  • github.com /moodle/moodle · package
  • web.archive.org /web/20160424224349/http://www.securitytracker.com/id/1035333 · web

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.