Denial of service in Graphite2



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-7999
CWE-ID CWE-476
Exploitation vector Local
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 Graphite2
Client/Desktop applications / Software for system administration

Vendor SIL Non-Roman Script Initiative

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) NULL pointer dereference

EUVDB-ID: #VU10945

Risk: Low

CVSSv3.1: 3.6 [CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C]

CVE-ID: CVE-2018-7999

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a local attacker to cause DoS condition on the target system.

The weakness exists in the Segment.cpp code due to NULL pointer dereference. A local attacker can submit a crafted font type file, trigger memory corruption and cause the service to crash.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Graphite2: 1.3.11.0

CPE2.3 External links

http://github.com/silnrsi/graphite/issues/22


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.



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