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| purl | pkg:deb/ubuntu/postgresql-12@12.6-0ubuntu0.20.10.1 |
| Next non-vulnerable version | 12.9-0ubuntu0.20.04.1 |
| Latest non-vulnerable version | 12.9-0ubuntu0.20.04.1 |
| Risk | 4.0 |
| Vulnerability | Summary | Fixed by |
|---|---|---|
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VCID-6cjv-xp17-aaah
Aliases: CVE-2021-3449 GHSA-83mx-573x-5rw9 VC-OPENSSL-20210325-CVE-2021-3449 |
An OpenSSL TLS server may crash if sent a maliciously crafted renegotiation ClientHello message from a client. If a TLSv1.2 renegotiation ClientHello omits the signature_algorithms extension (where it was present in the initial ClientHello), but includes a signature_algorithms_cert extension then a NULL pointer dereference will result, leading to a crash and a denial of service attack. A server is only vulnerable if it has TLSv1.2 and renegotiation enabled (which is the default configuration). OpenSSL TLS clients are not impacted by this issue. All OpenSSL 1.1.1 versions are affected by this issue. Users of these versions should upgrade to OpenSSL 1.1.1k. OpenSSL 1.0.2 is not impacted by this issue. Fixed in OpenSSL 1.1.1k (Affected 1.1.1-1.1.1j). |
Affected by 2 other vulnerabilities. |
|
VCID-9hqr-9vgj-aaam
Aliases: CVE-2021-3677 |
A flaw was found in postgresql. A purpose-crafted query can read arbitrary bytes of server memory. In the default configuration, any authenticated database user can complete this attack at will. The attack does not require the ability to create objects. If server settings include max_worker_processes=0, the known versions of this attack are infeasible. However, undiscovered variants of the attack may be independent of that setting. |
Affected by 2 other vulnerabilities. |
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VCID-abn1-q8d7-aaac
Aliases: CVE-2021-32028 |
A flaw was found in postgresql. Using an INSERT ... ON CONFLICT ... DO UPDATE command on a purpose-crafted table, an authenticated database user could read arbitrary bytes of server memory. The highest threat from this vulnerability is to data confidentiality. |
Affected by 4 other vulnerabilities. |
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VCID-u1bv-tfg8-aaaf
Aliases: CVE-2021-32027 |
A flaw was found in postgresql in versions before 13.3, before 12.7, before 11.12, before 10.17 and before 9.6.22. While modifying certain SQL array values, missing bounds checks let authenticated database users write arbitrary bytes to a wide area of server memory. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. |
Affected by 4 other vulnerabilities. |
|
VCID-uz5d-sf31-aaar
Aliases: CVE-2021-32029 |
A flaw was found in postgresql. Using an UPDATE ... RETURNING command on a purpose-crafted table, an authenticated database user could read arbitrary bytes of server memory. The highest threat from this vulnerability is to data confidentiality. |
Affected by 4 other vulnerabilities. |
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VCID-w1rw-arxv-aaar
Aliases: CVE-2021-23222 |
A man-in-the-middle attacker can inject false responses to the client's first few queries, despite the use of SSL certificate verification and encryption. |
Affected by 0 other vulnerabilities. |
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VCID-zh5y-x6pg-aaar
Aliases: CVE-2021-23214 |
When the server is configured to use trust authentication with a clientcert requirement or to use cert authentication, a man-in-the-middle attacker can inject arbitrary SQL queries when a connection is first established, despite the use of SSL certificate verification and encryption. |
Affected by 0 other vulnerabilities. |
| Vulnerability | Summary | Aliases |
|---|---|---|
| This package is not known to fix vulnerabilities. | ||
| Date | Actor | Action | Vulnerability | Source | VulnerableCode Version |
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