SB2018020134 - Memory leak in GNU Glibc

Description

This security bulletin contains information about 1 vulnerability.

1) Memory leak (CVE-ID: CVE-2017-1000408)

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Green

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak within glibc 2.1.1 (released on May 24, 1999) can be reached and amplified through the LD_HWCAP_MASK environment variable. Please note that many versions of glibc are not vulnerable to this issue if patched for CVE-2017-1000366. A remote attacker can perform a denial of service attack.

Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.

References

• http://seclists.org/oss-sec/2017/q4/385
• http://www.openwall.com/lists/oss-security/2019/06/27/7
• http://www.openwall.com/lists/oss-security/2019/06/28/1
• http://www.openwall.com/lists/oss-security/2019/06/28/2
• https://security.netapp.com/advisory/ntap-20190404-0003/
• https://www.exploit-db.com/exploits/43331/