IBM Dynamic System Analysis (DSA) Preboot update for GNOME GLib

1) Out-of-bounds read

EUVDB-ID: #VU14608

Risk: Low

CVSSv4.0: 1.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear]

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

Dynamic System Analysis (DSA) Preboot: before dsyte2z-9.65

CPE2.3

• cpe:2.3:a:ibm_corporation:dynamic_system_analysis_dsa_preboot:*:*:*:*:*:*:*:*

External links

https://www.ibm.com/support/pages/node/882114

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.