Stack-based buffer overflow in Debian Linux

1) Stack-based buffer overflow

EUVDB-ID: #VU34851

Risk: High

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2015-0242

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 when processing a floating point number with a large precision, as demonstrated by using the to_char function. A remote unauthenticated attacker can 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

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Debian Linux: 7.0 - 8.0

CPE2.3

• cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
• cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

External links

https://www.debian.org/security/2015/dsa-3155
https://www.postgresql.org/about/news/1569/
https://www.postgresql.org/docs/9.4/static/release-9-4-1.html
https://www.postgresql.org/docs/current/static/release-9-0-19.html
https://www.postgresql.org/docs/current/static/release-9-1-15.html
https://www.postgresql.org/docs/current/static/release-9-2-10.html
https://www.postgresql.org/docs/current/static/release-9-3-6.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.