| Headlines |
| 2024-01-31 |
Security issue in glibc patched |
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A significant security flaw was found in the GNU C library (glibc) which is used by most Linux distributions. This issue can allow local users to elevante their access to gain root access, giving the user (or application) administrative access. "A high severity vulnerability has been uncovered in the GNU C Library (glibc) that could allow local attackers to gain full root privileges on multiple Linux distributions. Disclosed as CVE-2023-6246, the issue is a heap-based buffer overflow in glibc's __vsyslog_internal() function, called by the commonly used syslog() and vsyslog() functions for logging messages. The flaw was introduced accidentally in glibc version 2.37 released in August 2022 and later backported to version 2.36.
According to researchers at Qualys who discovered the bug, it poses a major threat as it can enable unprivileged users to escalate privileges to root through crafted inputs to applications using the affected logging functions. While specific conditions are needed to exploit it, the impact is magnified due to glibc's widespread use." Mainstream Linux distributions have already published fixes and security announcementments. The Debian Security mailing list provides additional details. |
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