Buffer overflow in musl libc library



Published: 2017-08-18 | Updated: 2020-04-27
Risk High
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2015-1817
CWE ID CWE-121
Exploitation vector Network
Public exploit N/A
Vulnerable software
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musl libc
Universal components / Libraries / Libraries used by multiple products

Vendor GNU

Security Advisory

This security advisory describes one high risk vulnerability.

1) Stack-based buffer overflow

Risk: High

CVSSv3: 7.7 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2015-1817

CWE-ID: CWE-121 - Stack-based Buffer Overflow

Exploit availability: No

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 inet_pton() function in network/inet_pton.c. A remote unauthenticated attacker can send specially crafted data to the application, trigger 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 update from vendor's website.

Vulnerable software versions

musl libc: 0.9.15, 1.0.0, 1.0.1, 1.0.2, 1.0.3, 1.0.4, 1.1.0, 1.1.1, 1.1.2, 1.1.3, 1.1.4, 1.1.5, 1.1.6, 1.1.7

CPE External links

http://www.openwall.com/lists/oss-security/2015/03/30/3
http://www.securityfocus.com/bid/73408

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.



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