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CVE-2019-6247

Published: 13 January 2019

An issue was discovered in Anti-Grain Geometry (AGG) 2.4 as used in SVG++ (aka svgpp) 1.2.3. A heap-based buffer overflow bug in svgpp_agg_render may lead to code execution. In the render_scanlines_aa_solid function, the blend_hline function is called repeatedly multiple times. blend_hline is equivalent to a loop containing write operations. Each call writes a piece of heap data, and multiple calls overwrite the data in the heap.

Notes

AuthorNote
ebarretto
According to Debian:
Issue only in src:svgpp which does not call the AGG-API in correct way.
No security impact, only used to build example

Priority

Negligible

Cvss 3 Severity Score

8.8

Score breakdown

Status

Package Release Status
svgpp
Launchpad, Ubuntu, Debian
bionic Ignored

cosmic Ignored
(end of life)
disco Ignored

trusty Does not exist

upstream Needs triage

xenial Does not exist

Severity score breakdown

Parameter Value
Base score 8.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H