Lucene search

K
ubuntucveUbuntu.comUB:CVE-2018-13785
HistoryJul 09, 2018 - 12:00 a.m.

CVE-2018-13785

2018-07-0900:00:00
ubuntu.com
ubuntu.com
7

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.009 Low

EPSS

Percentile

82.0%

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.

Bugs

Notes

Author Note
leosilva could not reproduce with xenial version also xenial version hasn’t the code affected. From the comments, it was tested in a xenial release, but bug was found using a different version from git/upstream.
OSVersionArchitecturePackageVersionFilename
ubuntu17.10noarchlibpng1.6< 1.6.34-1ubuntu0.17.10.1UNKNOWN
ubuntu18.04noarchlibpng1.6< 1.6.34-1ubuntu0.18.04.1UNKNOWN

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.009 Low

EPSS

Percentile

82.0%