CVE-2018-11243

Public Exploit

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.

Category

7.8
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.51%
Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory fedoraproject.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/upx/upx/issues/206 third party advisory exploit
https://github.com/upx/upx/blob/devel/NEWS release notes
https://github.com/upx/upx/issues/207 third party advisory exploit
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D7XU42G6MUQQXHWRP7DCF2JSIBOJ5GOO/ vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00001.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00003.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00007.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00008.html vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EUTVSTXAFTD552NO2K2RIF6MDQEHP3BE/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-11243?
CVE-2018-11243 has been scored as a high severity vulnerability.
How to fix CVE-2018-11243?
To fix CVE-2018-11243, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-11243 being actively exploited in the wild?
It is possible that CVE-2018-11243 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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