Vulnerability identifier: #VU84043

Vulnerability risk: Medium

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2002-0059

CWE-ID: CWE-415

Exploitation vector: Network

Exploit availability: No

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

Vendor: GNU

Description

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

The vulnerability exists due to a boundary error. A remote attacker can pass specially crafted data to the application, trigger double free error 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

Zlib: 0.8 - 1.3

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External links
http://www.redhat.com/support/errata/RHSA-2002-026.html
http://www.linux-mandrake.com/en/security/2002/MDKSA-2002-023.php
http://www.redhat.com/support/errata/RHSA-2002-027.html
http://www.cert.org/advisories/CA-2002-07.html
http://www.kb.cert.org/vuls/id/368819
http://www.debian.org/security/2002/dsa-122
http://frontal2.mandriva.com/security/advisories?name=MDKSA-2002:022
http://www.caldera.com/support/security/advisories/CSSA-2002-014.1.txt
ftp://ftp.caldera.com/pub/security/OpenLinux/CSSA-2002-015.1.txt
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000469
http://www1.itrc.hp.com/service/cki/docDisplay.do?docId=HPSBTL0204-030
http://www1.itrc.hp.com/service/cki/docDisplay.do?docId=HPSBTL0204-036
http://www1.itrc.hp.com/service/cki/docDisplay.do?docId=HPSBTL0204-037
http://www.linux-mandrake.com/en/security/2002/MDKSA-2002-024.php3
http://www.securityfocus.com/bid/4267
http://exchange.xforce.ibmcloud.com/vulnerabilities/8427

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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.