Denial of service in SourceForge zsh



Published: 2016-11-17
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2016-10714
CWE-ID CWE-193
Exploitation vector Local
Public exploit N/A
Vulnerable software
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zsh
Client/Desktop applications / Software for system administration

Vendor SourceForge

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Off-by-one error

EUVDB-ID: #VU10862

Risk: Low

CVSSv3.1: 3.5 [CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-10714

CWE-ID: CWE-193 - Off-by-one Error

Exploit availability: No

Description

The vulnerability allows a local unauthenticated attacker to cause DoS condition on the target system.

The weakness exists due to an off-by-one error. A local attacker can use undersized buffers for PATH_MAX characters and cause the service to crash.

Mitigation

Update to version 5.3.

Vulnerable software versions

zsh: 5.0.0 - 5.2

External links

http://sourceforge.net/projects/zsh/files/zsh/5.3/zsh-5.3.tar.gz/download


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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



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