Information disclosure in glib (Alpine package)



Published: 2020-02-24
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-6750
CWE-ID CWE-200
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		glib (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Information disclosure

EUVDB-ID: #VU24350

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2020-6750

CWE-ID: CWE-200 - Information Exposure

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to an error within the GSocketClient in GNOME GLib when processing proxy_addr field. A remote attacker force the system to connect to a specific server using a real address instead of pre-configured proxy address and gain knowledge of the victim's real IP address.

Exploitation of the vulnerability is timing-dependent and may occur only sporadically depending on network delays.

Mitigation

Install update from vendor's website.

Vulnerable software versions

glib (Alpine package): 2.60.4-r0 - 2.60.7-r0

CPE2.3 External links

http://git.alpinelinux.org/aports/commit/?id=77237d49b516317fdea1ebc585c3bbf30f766ff8
http://git.alpinelinux.org/aports/commit/?id=c43990edbd40871044e249a0223d247d11b25d7e

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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