Vulnerability CVE-2018-13785
Published: 2018-07-09

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.

Type:

CWE-369

 (Divide By Zero)

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Redhat -> Enterprise linux desktop 
Redhat -> Enterprise linux server 
Redhat -> Enterprise linux workstation 
Oracle -> JDK 
Oracle -> JRE 
Libpng -> Libgpng 
Libpng -> Libpng 
Canonical -> Ubuntu linux 

 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/
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