Описание
Untrusted data inclusion in PostgreSQL psql COPY may allow a server administrator to elicit execution of data lines as psql commands, via error injection. If the "COPY FROM STDIN" or "\copy FROM STDIN" command fails before the server indicates that it awaits input rows, psql processes the in-line data rows as psql commands. "COPY FROM" with a filename is unaffected. The server administrator has no inherent control over the data rows, so a complete attack requires the attacker to separately acquire control of both the server and the data rows. Alternatively, an attacker controlling data rows alone might complete an attack through a coincidental error that they don't control. Versions before PostgreSQL 18.5, 17.11, 16.15, 15.19, and 14.24 are affected.
A flaw was found in PostgreSQL psql. During the COPY FROM STDIN operation, untrusted data can be mistakenly interpreted as psql commands if an error injection causes the command to fail prematurely. This could allow an attacker to achieve arbitrary command execution. Successful exploitation requires the attacker to control both the server and the data being copied, or to leverage a coincidental error while controlling only the data.
Отчет
This is an Important flaw in the PostgreSQL psql client that could lead to arbitrary command execution. When using COPY FROM STDIN, untrusted data can be processed as psql commands if an error injection causes the command to fail prematurely. Exploitation requires an attacker to control both the PostgreSQL server and the data rows, or to leverage a coincidental error, which significantly limits the attack surface in typical Red Hat deployments.
Меры по смягчению последствий
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
Затронутые пакеты
| Платформа | Пакет | Состояние | Рекомендация | Релиз |
|---|---|---|---|---|
| Red Hat Enterprise Linux 6 | postgresql | Out of support scope | ||
| Red Hat Hardened Images | postgresql17 | Not affected | ||
| Red Hat Hardened Images | postgresql18 | Not affected | ||
| Red Hat Enterprise Linux 10 | postgresql18 | Fixed | RHSA-2026:67280 | 14.09.2026 |
| Red Hat Enterprise Linux 10 | postgresql16 | Fixed | RHSA-2026:70186 | 22.09.2026 |
| Red Hat Enterprise Linux 10.0 Extended Update Support | postgresql16 | Fixed | RHSA-2026:72282 | 28.09.2026 |
| Red Hat Enterprise Linux 7 Extended Lifecycle Support | postgresql | Fixed | RHSA-2026:84585 | 19.10.2026 |
| Red Hat Enterprise Linux 8 | postgresql | Fixed | RHSA-2026:69876 | 22.09.2026 |
| Red Hat Enterprise Linux 8 | postgresql | Fixed | RHSA-2026:69923 | 22.09.2026 |
| Red Hat Enterprise Linux 8 | postgresql | Fixed | RHSA-2026:69924 | 23.09.2026 |
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Дополнительная информация
Статус:
EPSS
8.1 High
CVSS3
Связанные уязвимости
Untrusted data inclusion in PostgreSQL psql COPY may allow a server administrator to elicit execution of data lines as psql commands, via error injection. If the "COPY FROM STDIN" or "\copy FROM STDIN" command fails before the server indicates that it awaits input rows, psql processes the in-line data rows as psql commands. "COPY FROM" with a filename is unaffected. The server administrator has no inherent control over the data rows, so a complete attack requires the attacker to separately acquire control of both the server and the data rows. Alternatively, an attacker controlling data rows alone might complete an attack through a coincidental error that they don't control. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.
Untrusted data inclusion in PostgreSQL psql COPY may allow a server administrator to elicit execution of data lines as psql commands, via error injection. If the "COPY FROM STDIN" or "\copy FROM STDIN" command fails before the server indicates that it awaits input rows, psql processes the in-line data rows as psql commands. "COPY FROM" with a filename is unaffected. The server administrator has no inherent control over the data rows, so a complete attack requires the attacker to separately acquire control of both the server and the data rows. Alternatively, an attacker controlling data rows alone might complete an attack through a coincidental error that they don't control. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.
PostgreSQL psql COPY FROM STDIN early failure processes data lines as psql commands
Untrusted data inclusion in PostgreSQL psql COPY may allow a server ad ...
Untrusted data inclusion in PostgreSQL psql COPY may allow a server administrator to elicit execution of data lines as psql commands, via error injection. If the "COPY FROM STDIN" or "\copy FROM STDIN" command fails before the server indicates that it awaits input rows, psql processes the in-line data rows as psql commands. "COPY FROM" with a filename is unaffected. The server administrator has no inherent control over the data rows, so a complete attack requires the attacker to separately acquire control of both the server and the data rows. Alternatively, an attacker controlling data rows alone might complete an attack through a coincidental error that they don't control. Versions before PostgreSQL 18.5, 17.11, 16.15, 15.19, and 14.24 are affected.
EPSS
8.1 High
CVSS3