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CVE-2016-3981

Published: 13 April 2016

Heap-based buffer overflow in the bmp_read_rows function in pngxrbmp.c in OptiPNG before 0.7.6 allows remote attackers to cause a denial of service (out-of-bounds read or write access and crash) or possibly execute arbitrary code via a crafted image file.

Notes

AuthorNote
tyhicks
verified that 14.04 through 15.10 are affected via valgrind and
the reproducer from bugs.fi

Priority

Medium

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package Release Status
optipng
Launchpad, Ubuntu, Debian
precise
Released (0.6.4-1ubuntu0.12.04.1)
trusty
Released (0.6.4-1ubuntu0.14.04.1)
upstream
Released (0.7.6-1)
wily
Released (0.7.5-1ubuntu0.1)

Severity score breakdown

Parameter Value
Base score 7.8
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H