CVE-2017-15873
MEDIUM severity · CVSS 5.5 · Integer overflow
5.5CVSS MEDIUM
Summary
The get_next_block function in archival/libarchive/decompress_bunzip2.c in BusyBox 1.27.2 has an Integer Overflow that may lead to a write access violation.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredNone
User interactionRequired
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)1%
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://git.busybox.net/busybox/commit/?id=0402cb32df015d9372578e3db27db47b33d5c7b0 ↗
Additional information
- NVD record
- https://git.busybox.net/busybox/commit/?id=0402cb32df015d9372578e3db27db47b33d5c7b0Patch
- https://lists.debian.org/debian-lts-announce/2018/07/msg00037.htmlAdvisory
- https://lists.debian.org/debian-lts-announce/2021/02/msg00020.htmlAdvisory
- https://usn.ubuntu.com/3935-1/Advisory
- https://bugs.busybox.net/show_bug.cgi?id=10431Advisory