4.3med

CVE-2017-12173

It was found that sssd's sysdb_search_user_by_upn_res() function before 1.16.0 did not sanitize requests when querying its local cache and…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
4.3
v3.0 · CNA
CISA KEV
No
not known exploited
EPSS
1.5%
percentile 75%
Public exploits
0
none known

Summary

It was found that sssd's sysdb_search_user_by_upn_res() function before 1.16.0 did not sanitize requests when querying its local cache and was vulnerable to injection. In a centralized login environment, if a password hash was locally cached for a given user, an authenticated attacker could use this flaw to retrieve it.

Exploit prediction (EPSS)

1.51% probability of exploitation in the next 30 days, higher than 75% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
CNA3.04.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CNA3.04.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
NVD3.08.8CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD2.04.0AV:N/AC:L/Au:S/C:P/I:N/A:N

Affected products

  • SSSD sssd

Classification

Weakness
  • CWE-20 Improper Input Validation
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

  • access.redhat.com /errata/RHSA-2017:3379 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • bugzilla.redhat.com /show_bug.cgi?id=CVE-2017-12173 · x_refsource_CONFIRM, x_transferred
  • access.redhat.com /errata/RHSA-2018:1877 · vendor-advisory, x_refsource_REDHAT, x_transferred

Sources

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