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 entire original data, or possibly have unspecified other impact via a crafted…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.47%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a 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.
- CVSS 3.0
- 7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 2.47% probability · 84th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-415
- Affected
- upx/upx
- Source
- cve@mitre.org
References
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00001.html
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00003.html
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00007.html
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00008.html
- https://github.com/upx/upx/blob/devel/NEWSRelease Notes
- https://github.com/upx/upx/issues/206Exploit, Third Party Advisory
- https://github.com/upx/upx/issues/207Exploit, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D7XU42G6MUQQXHWRP7DCF2JSIBOJ5GOO/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EUTVSTXAFTD552NO2K2RIF6MDQEHP3BE/
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00001.html
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00003.html
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00007.html
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00008.html
- https://github.com/upx/upx/blob/devel/NEWSRelease Notes
- https://github.com/upx/upx/issues/206Exploit, Third Party Advisory
- https://github.com/upx/upx/issues/207Exploit, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D7XU42G6MUQQXHWRP7DCF2JSIBOJ5GOO/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EUTVSTXAFTD552NO2K2RIF6MDQEHP3BE/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.