#VU80060 Stack-based buffer overflow in libeconf


Vulnerability identifier: #VU80060

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-30078

CWE-ID: CWE-121

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
libeconf
Universal components / Libraries / Libraries used by multiple products

Vendor: SUSE

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the econf_writeFile() function in atlibeconf/lib/libeconf.c. A remote unauthenticated attacker can trigger a stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

libeconf: 0.0.9 - 0.5.1


External links
http://raw.githubusercontent.com/yangjiageng/PoC/master/libeconf-PoC/tst-write-string-data.c
http://github.com/openSUSE/libeconf/issues/178
http://github.com/yangjiageng/PoC/blob/master/libeconf-PoC/econf_writeFile_546


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.


Latest bulletins with this vulnerability