NULL Pointer Dereference Affecting upx-ucl package, versions <3.94-4
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIANUNSTABLE-UPXUCL-312966
- published6 Oct 2017
- disclosed6 Oct 2017
Introduced: 6 Oct 2017
CVE-2017-15056 (opens in a new tab)How to fix?
Upgrade Debian:unstable upx-ucl to version 3.94-4 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream upx-ucl package and not the upx-ucl package as distributed by Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
p_lx_elf.cpp in UPX 3.94 mishandles ELF headers, which allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted binary file, as demonstrated by an Invalid Pointer Read in PackLinuxElf64::unpack().