CVE-2021-35516

high

Description

When reading a specially crafted 7Z archive, Compress can be made to allocate large amounts of memory that finally leads to an out of memory error even for very small inputs. This could be used to mount a denial of service attack against services that use Compress' sevenz package.

References

https://commons.apache.org/proper/commons-compress/security-reports.html

https://lists.apache.org/thread.html/rf68442d67eb166f4b6cf0bbbe6c7f99098c12954f37332073c9822ca%40%3Cuser.commons.apache.org%3E

http://www.openwall.com/lists/oss-security/2021/07/13/2

https://lists.apache.org/thread.html/[email protected]%3Cannounce.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Ccommits.pulsar.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cnotifications.skywalking.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cnotifications.skywalking.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cnotifications.skywalking.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cnotifications.skywalking.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cnotifications.skywalking.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cnotifications.skywalking.apache.org%3E

https://lists.apache.org/thread.html/rb6e1fa80d34e5ada45f72655d84bfd90d[email protected]%3Cnotifications.skywalking.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cdev.poi.apache.org%3E

https://www.oracle.com/security-alerts/cpuoct2021.html

https://security.netapp.com/advisory/ntap-20211022-0001/

https://www.oracle.com/security-alerts/cpujan2022.html

https://www.oracle.com/security-alerts/cpuapr2022.html

https://www.oracle.com/security-alerts/cpujul2022.html

Details

Source: MITRE

Published: 2021-07-13

Updated: 2022-07-25

Type: CWE-770

Risk Information

CVSS v2

Base Score: 5

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH