CVE-2018-13785

Sažetak

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.

Reference

https://sourceforge.net/p/libpng/bugs/278/
https://github.com/glennrp/libpng/commit/8a05766cb74af05c04c53e6c9d60c13fc4d59bf2
https://usn.ubuntu.com/3712-1/
http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
http://www.securitytracker.com/id/1041889
http://www.securityfocus.com/bid/105599
https://security.netapp.com/advisory/ntap-20181018-0001/
https://access.redhat.com/errata/RHSA-2018:3008
https://access.redhat.com/errata/RHSA-2018:3007
https://access.redhat.com/errata/RHSA-2018:3003
https://access.redhat.com/errata/RHSA-2018:3002
https://access.redhat.com/errata/RHSA-2018:3001
https://access.redhat.com/errata/RHSA-2018:3000
https://access.redhat.com/errata/RHSA-2018:3534
https://access.redhat.com/errata/RHSA-2018:3533
https://access.redhat.com/errata/RHSA-2018:3672
https://access.redhat.com/errata/RHSA-2018:3671
https://access.redhat.com/errata/RHSA-2018:3779
https://access.redhat.com/errata/RHSA-2018:3852
https://security.gentoo.org/glsa/201908-10

CVSS

Base:	4.3
Impact:	2.9
Exploitability:	8.6

Pristup

Vektor	Složenost	Autentikacija
NETWORK	MEDIUM	NONE

Impact

Povjerljivost	Cjelovitost	Dostupnost
NONE	NONE	PARTIAL

CVSS vektor

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

Zadnje važnije ažuriranje

27-06-2022 - 17:35

Objavljeno

09-07-2018 - 13:29