NULL Pointer Dereference Affecting upx package, versions <4.0.0-r0
Snyk CVSS
Attack Complexity
Low
User Interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Threat Intelligence
EPSS
0.19% (56th
percentile)
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Test your applications- Snyk ID SNYK-ALPINE317-UPX-3144643
- published 23 Nov 2022
- disclosed 27 May 2021
Introduced: 27 May 2021
CVE-2021-30500 Open this link in a new tabHow to fix?
Upgrade Alpine:3.17
upx
to version 4.0.0-r0 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream upx
package and not the upx
package as distributed by Alpine
.
See How to fix?
for Alpine:3.17
relevant fixed versions and status.
Null pointer dereference was found in upx PackLinuxElf::canUnpack() in p_lx_elf.cpp,in version UPX 4.0.0. That allow attackers to execute arbitrary code and cause a denial of service via a crafted file.