Denial of service in GNOME GLib



Published: 2018-09-05 | Updated: 2018-12-10
Risk Low
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2018-16429
CVE-2018-16428
CWE-ID CWE-125
CWE-476
Exploitation vector Local
Public exploit Public exploit code for vulnerability #1 is available.
Public exploit code for vulnerability #2 is available.
Vulnerable software
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Gnome GLib
Universal components / Libraries / Libraries used by multiple products

Vendor Gnome Development Team

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Out-of-bounds read

EUVDB-ID: #VU14608

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2018-16429

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

Exploit availability: No

Description

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

The vulnerability exists due to out-of-bounds read vulnerability in g_markup_parse_context_parse() in gmarkup.c, related to utf8_str(). A local attacker can execute a specially crafted application or file that submits malicious input and cause the service to crash.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Gnome GLib: 2.56.1


CPE2.3 External links

http://gitlab.gnome.org/GNOME/glib/issues/1361

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

2) NULL pointer dereference

EUVDB-ID: #VU16354

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2018-16428

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 vulnerability exists due to NULL pointer dereference in g_markup_parse_context_end_parse() in gmarkup.c. A local attacker can execute a specially crafted application or file that submits malicious input and cause the service to crash.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Gnome GLib: 2.56.1


CPE2.3 External links

http://gitlab.gnome.org/GNOME/glib/issues/1364

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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