Vulnerability · Published Mar 17, 2020 · Assigned by redhat
CVE-2020-1720
Low 3.1
In plain English
A low-severity security flaw in postgresql from Red Hat. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 68% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
A flaw was found in PostgreSQL's "ALTER ... DEPENDS ON EXTENSION", where sub-commands did not perform authorization checks. An authenticated attacker could use this flaw in certain configurations to perform drop objects such as function, triggers, et al., leading to database corruption. This issue affects PostgreSQL versions before 12.2, before 11.7, before 10.12 and before 9.6.17.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | postgres-decoderbufs | 0.10.0-2.module_el8.6.0+2760+1746ec94 | ALSA-2020:5620 |
| AlmaLinux:8 | postgres-decoderbufs | 0.10.0-2.module_el8.6.0+2758+4f4474df | ALSA-2020:5620 |
| Alpine:v3.20 | postgresql14 | 12.2-r0 | ALPINE-CVE-2020-1720 |
| Alpine:v3.20 | postgresql15 | 12.2-r0 | ALPINE-CVE-2020-1720 |
| Rocky Linux:8 | pgaudit | 0:1.4.0-4.module+el8.4.0+545+ca56da2e | RLSA-2020:5620 |
| Rocky Linux:8 | postgres-decoderbufs | 0:0.10.0-2.module+el8.5.0+684+c3892ef9 | RLSA-2020:5620 |
| Rocky Linux:8 | postgres-decoderbufs | 0:0.10.0-2.module+el8.4.0+424+71d47d9a | RLSA-2020:5620 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | postgresql | 12.211.710.129.6.17 |
Weakness: CWE-285 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
References
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1720 x_refsource_CONFIRM
- https://www.postgresql.org/about/news/2011/ x_refsource_MISC
- openSUSE-SU-2020:1227 vendor-advisory, x_refsource_SUSE