This security bulletin contains one medium risk vulnerability.
CWE-125 - Out-of-bounds read
Exploit availability: NoDescription
The vulnerability allows a remote attacker to gain access to potentially sensitive information or perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition within the getaddrinfo() function called with the AF_UNSPEC address family. A remote attacker with control over DNS server can send a DNS response via TCP larger than 2048 bytes, trigger an out-of-bounds read and crash the application or gain access to potentially sensitive information.
Successful exploitation of the vulnerability requires that system is configured with no-aaaa mode via /etc/resolv.conf.
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.Vulnerable software versions
Glibc: 2.0 - 2.38.9000CPE2.3
Q & A
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?