#VU7657 Memory corruption in Gnu - CVE-2017-5335

Vulnerability identifier: #VU7657

Vulnerability risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-5335

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Gnu
Operating systems & Components / Operating system

Vendor: GNU

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

The weakness exists due to insufficient error checking in the stream-reading functions. A remote attacker can send a specially crafted OpenPGP certificate, trigger memory corruption and cause the application to crash.

Successful exploitation of the vulnerability results in denial of service.

Mitigation
Update to version 3.3.26 or 3.5.8.

Vulnerable software versions

Gnu: 3.3.0 - 3.5.7

---

External links
https://www.gnutls.org/security.html

---

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.