SB2017112220 - Integer overflow in busybox (Alpine package)
Published: November 22, 2017
Security Bulletin ID
SB2017112220
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Integer overflow (CVE-ID: CVE-2017-15874)
CWE-ID: CWE-190 - Integer overflow
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists in the archival/libarchive/decompress_unlzma.c due to integer overflow. A remote attacker can trigger read access violation and cause the service to crash.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=ad3dbb9b8cb9f7ff7dee76859f765450567d3b0d
- https://git.alpinelinux.org/aports/commit/?id=cf43a775225bcace5eda5940576e46caac38d471
- https://git.alpinelinux.org/aports/commit/?id=7df9acaacd31997c1ac15243a644ef129376e4a7
- https://git.alpinelinux.org/aports/commit/?id=fae8e63b4df5c1052fc79ed551d442263ddcb523
- https://git.alpinelinux.org/aports/commit/?id=f36afe370ef2d04d4bc1821d6cdd428aa543dfe4
- https://git.alpinelinux.org/aports/commit/?id=ac414d2b6399469baedb0a1f6cd3ca93f0aabf59