CVE-2018-13785

MEDIUM

Description

In libpng 1.6.34, a wrong calculation of row_factor in the png_check_chunk_length function (pngrutil.c) may trigger an integer overflow and resultant divide-by-zero while processing a crafted PNG file, leading to a denial of service.

References

http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html

http://www.securityfocus.com/bid/105599

http://www.securitytracker.com/id/1041889

https://access.redhat.com/errata/RHSA-2018:3000

https://access.redhat.com/errata/RHSA-2018:3001

https://access.redhat.com/errata/RHSA-2018:3002

https://access.redhat.com/errata/RHSA-2018:3003

https://access.redhat.com/errata/RHSA-2018:3007

https://access.redhat.com/errata/RHSA-2018:3008

https://access.redhat.com/errata/RHSA-2018:3533

https://access.redhat.com/errata/RHSA-2018:3534

https://access.redhat.com/errata/RHSA-2018:3671

https://access.redhat.com/errata/RHSA-2018:3672

https://access.redhat.com/errata/RHSA-2018:3779

https://access.redhat.com/errata/RHSA-2018:3852

https://github.com/glennrp/libpng/commit/8a05766cb74af05c04c53e6c9d60c13fc4d59bf2

https://security.gentoo.org/glsa/201908-10

https://security.netapp.com/advisory/ntap-20181018-0001/

https://sourceforge.net/p/libpng/bugs/278/

https://usn.ubuntu.com/3712-1/

Details

Source: MITRE

Published: 2018-07-09

Updated: 2019-08-15

Type: CWE-190

Risk Information

CVSS v2.0

Base Score: 4.3

Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3.0

Base Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 2.8

Severity: MEDIUM