High severity · published May 14, 2021
CVE-2020-24119
A heap buffer overflow read was discovered in upx 4.0.0, because the check in p_lx_elf.cpp is not perfect
7.1
CVSS
1.1%
EPSS
No
On KEV
Description
A heap buffer overflow read was discovered in upx 4.0.0, because the check in p_lx_elf.cpp is not perfect.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 65% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FE
Fedora · Fedoraproject
33; 34 · source: NVD
UP
Upx · Upx
4.0.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-24119
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-24119
Technical Description
https://cwe.mitre.org/data/definitions/126.html
Exploit
https://github.com/upx/upx/issues/388
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JE54WKVU7MATB4WZD3MJFBAHFRJ3NTQX/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VSQRO7YC72PSYDQG4PQLQYXZTZE3B4YV/
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