SB2017112219 - Integer overflow in busybox (Alpine package)
Published: November 22, 2017
Security Bulletin ID
SB2017112219
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Integer overflow (CVE-ID: CVE-2017-15873)
The vulnerability allows a remote attacker to cause DoS condition on the target system.The weakness exists in the get_next_block function in archival/libarchive/decompress_bunzip2.c due to integer overflow. A remote attacker can trigger write 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=2ee6af5577349f8304cd2e350dce04fef0b5551a
- https://git.alpinelinux.org/aports/commit/?id=fae8e63b4df5c1052fc79ed551d442263ddcb523
- https://git.alpinelinux.org/aports/commit/?id=2a49aab90f53077e3c5d08bd297cb2071e444255
- https://git.alpinelinux.org/aports/commit/?id=78518e05e5f926ac7adc73adde72b54e08d185f7
- https://git.alpinelinux.org/aports/commit/?id=94b1464e97c7dd5528f9113c2bc76456076310e4
- https://git.alpinelinux.org/aports/commit/?id=9c61af0b67fd73d23389d1016d69758729dfe193
- https://git.alpinelinux.org/aports/commit/?id=f36afe370ef2d04d4bc1821d6cdd428aa543dfe4