Out-of-bounds read in libcroco (Alpine package)



Published: 2019-07-21
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-7960
CWE-ID CWE-125
Exploitation vector Network
Public exploit N/A
Vulnerable software
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libcroco (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Out-of-bounds read

EUVDB-ID: #VU27952

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-7960

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in the cr_input_new_from_uri function in cr-input.c in libcroco. A remote attacker can perform a denial of service (heap-based buffer over-read) via a crafted CSS file.

Mitigation

Install update from vendor's website.

Vulnerable software versions

libcroco (Alpine package): 0.6.11-r0 - 0.6.13-r0

External links

http://git.alpinelinux.org/aports/commit/?id=1e378edcf6caaa3ed5646459e4c8a47234afa01a
http://git.alpinelinux.org/aports/commit/?id=3753b9e3f39d049e7c6c6664bbed67a0f2bef958
http://git.alpinelinux.org/aports/commit/?id=85c36973699d153bb24ba142388731920ae19b92
http://git.alpinelinux.org/aports/commit/?id=ac4f22e825980b99d4fd80cb49d11ff7be0e3e3a
http://git.alpinelinux.org/aports/commit/?id=fdbea192e0aafd3afbdcd17d061efff9de618664


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.



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