CVE-2021-3393
MEDIUM severity · CVSS 4.3 · Information disclosure
4.3CVSS MEDIUM
Summary
An information leak was discovered in postgresql in versions before 13.2, before 12.6 and before 11.11. A user having UPDATE permission but not SELECT permission to a particular column could craft queries which, under some circumstances, might disclose values from that column in error messages. An attacker could use this flaw to obtain information stored in a column they are allowed to write but not read.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactLow
Integrity impactNone
Availability impactNone
Exploit probability (EPSS)0%
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Affected products we track (2)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://bugzilla.redhat.com/show_bug.cgi?id=1924005Advisory
- https://security.gentoo.org/glsa/202105-32Advisory
- https://security.netapp.com/advisory/ntap-20210507-0006/Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1924005Advisory
- https://security.gentoo.org/glsa/202105-32Advisory
- https://security.netapp.com/advisory/ntap-20210507-0006/Advisory