High severity · published May 18, 2018
CVE-2018-11243
PackLinuxElf64::unpack in p_lx_elf.cpp in UPX 3.95 allows remote attackers to cause a denial of service (double free), limit the ability of a malware scanner to operate on the…
7.8
CVSS
2.4%
EPSS
No
On KEV
Description
PackLinuxElf64::unpack in p_lx_elf.cpp in UPX 3.95 allows remote attackers to cause a denial of service (double free), limit the ability of a malware scanner to operate on the entire original data, or possibly have unspecified other impact via a crafted file.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.4% · higher than 84% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UP
Upx · Upx
3.95 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-11243
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-11243
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00001.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00003.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00007.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00008.html
Release Notes
https://github.com/upx/upx/blob/devel/NEWS
Exploit
https://github.com/upx/upx/issues/206
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