SB2016070419 - Out-of-bounds write in tiff (Alpine package)
Published: July 4, 2016
Security Bulletin ID
SB2016070419
CSH Severity
Medium
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 vulnerability.
1) Out-of-bounds write (CVE-ID: CVE-2015-8784)
CWE-ID: CWE-787 - Out-of-bounds write
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The NeXTDecode function in tif_next.c in LibTIFF allows remote attackers to cause a denial of service (out-of-bounds write) via a crafted TIFF image, as demonstrated by libtiff5.tif.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=9bbcaaebbffeb2b78d9cd4434027d0571723c82f
- https://git.alpinelinux.org/aports/commit/?id=7f2845dc97725af0dc4230433d9cb42a76c552db
- https://git.alpinelinux.org/aports/commit/?id=975fe020cde058ed105ddc2f730983bd1a1263db
- https://git.alpinelinux.org/aports/commit/?id=df6ff3e3449ac74fc39165229f9764d968aa58f4
- https://git.alpinelinux.org/aports/commit/?id=557356d1f9bdccc73419c74dbdf5fc5a707b4e16