Buffer overflow in webkit2gtk (Alpine package)

1) Buffer overflow

EUVDB-ID: #VU33471

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-2354

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

An issue was discovered in certain Apple products. iOS before 10.2.1 is affected. Safari before 10.0.3 is affected. iCloud before 6.1.1 is affected. iTunes before 12.5.5 is affected. tvOS before 10.1.1 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site.

Mitigation

Install update from vendor's website.

Vulnerable software versions

webkit2gtk (Alpine package): 2.14.2-r0 - 2.14.3-r0

CPE2.3

• cpe:2.3:o:alpine:webkit2gtk_alpine_package:2.14.3-r0:*:*:*:*:alpine_linux:*:
• cpe:2.3:o:alpine:webkit2gtk_alpine_package:2.14.2-r0:*:*:*:*:alpine_linux:*:

External links

http://git.alpinelinux.org/aports/commit/?id=ccc2f318230304c6b8f9e6c8bafd85ad60077c32
http://git.alpinelinux.org/aports/commit/?id=9333b6b69da075f380935e8a636fb1cd817bf74d
http://git.alpinelinux.org/aports/commit/?id=07f89546be5e1238d496d97d7cb453cc5c7a1e01
http://git.alpinelinux.org/aports/commit/?id=492988e0eece238d11f6dcec62a58c52b2740196
http://git.alpinelinux.org/aports/commit/?id=9eedb1462483dddad2de55715f16558844a078c5

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.