Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Postgresql | Postgresql | < 11.11 |
| Redhat | Software Collections | - |
| Redhat | Enterprise Linux | 8.0 |
Related Weaknesses (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1924005Issue TrackingThird Party Advisory
- https://security.gentoo.org/glsa/202105-32Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210507-0006/Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1924005Issue TrackingThird Party Advisory
- https://security.gentoo.org/glsa/202105-32Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210507-0006/Third Party Advisory
FAQ
What is CVE-2021-3393?
CVE-2021-3393 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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 que...
How severe is CVE-2021-3393?
CVE-2021-3393 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-3393?
Check the references section above for vendor advisories and patch information. Affected products include: Postgresql Postgresql, Redhat Software Collections, Redhat Enterprise Linux.