Medium severity · published Jun 1, 2020
CVE-2019-20805
p_lx_elf.cpp in UPX before 3.96 has an integer overflow during unpacking via crafted values in a PT_DYNAMIC segment
5.5
CVSS
0.8%
EPSS
No
On KEV
Description
p_lx_elf.cpp in UPX before 3.96 has an integer overflow during unpacking via crafted values in a PT_DYNAMIC segment.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 57% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UP
Upx · Upx
before 3.96 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-20805
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-20805
Patch
https://github.com/upx/upx/commit/8be9da8280dfa69d5df4417d4d81bda1cab78010
Third Party Advisory
https://github.com/upx/upx/issues/317
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