Vulnerability CVE-2021-3393


Published: 2021-04-01

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.

Type:

CWE-209

(Information Exposure Through an Error Message)

CVSS2 => (AV:N/AC:M/Au:S/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
3.5/10
2.9/10
6.8/10
Exploit range
Attack complexity
Authentication
Remote
Medium
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Redhat -> Software collections 
Redhat -> Enterprise linux 
Postgresql -> Postgresql 

 References:
https://bugzilla.redhat.com/show_bug.cgi?id=1924005

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