| Name | CVE-2020-1720 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-2105-1, DSA-4622-1, DSA-4623-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| postgresql-11 (PTS) | buster, buster (lts) | 11.22-0+deb10u3 | fixed |
| buster (security) | 11.22-0+deb10u2 | fixed | |
| postgresql-9.4 (PTS) | jessie, jessie (lts) | 9.4.26-0+deb8u10 | fixed |
| postgresql-9.6 (PTS) | stretch (security) | 9.6.24-0+deb9u1 | fixed |
| stretch (lts), stretch | 9.6.24-0+deb9u7 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| postgresql-11 | source | buster | 11.7-0+deb10u1 | DSA-4623-1 | ||
| postgresql-11 | source | (unstable) | (unfixed) | |||
| postgresql-12 | source | (unstable) | 12.2-1 | |||
| postgresql-9.4 | source | wheezy | (unfixed) | end-of-life | ||
| postgresql-9.4 | source | jessie | 9.4.26-0+deb8u1 | DLA-2105-1 | ||
| postgresql-9.4 | source | (unstable) | (unfixed) | |||
| postgresql-9.6 | source | stretch | 9.6.17-0+deb9u1 | DSA-4622-1 | ||
| postgresql-9.6 | source | (unstable) | (unfixed) |
https://www.postgresql.org/about/news/2011/
Fixed in 12.2, 11.7, 10.12, 9.6.17, 9.5.21, and 9.4.26
https://git.postgresql.org/gitweb/?p=postgresql.git;a=commit;h=b048f558dd7c26a0c630a2cff29d3d8981eaf6b9