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| Rule General Information |
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| Release Date: | 2016-09-08 | |
| Rule Name: | GNU C Library Getaddrinfo Buffer Overflow Vulnerability -2 (CVE-2015-7547) | |
| Severity: | ||
| CVE ID: | ||
| Rule Protection Details |
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| Description: | Multiple stack-based buffer overflows in the (1) send_dg and (2) send_vc functions in the libresolv library in the GNU C Library (aka glibc or libc6) before 2.23 allow remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a crafted DNS response that triggers a call to the getaddrinfo function with the AF_UNSPEC or AF_INET6 address family, related to performing "dual A/AAAA DNS queries" and the libnss_dns.so.2 NSS module. | |
| Impact: | A buffer overflow vulnerability can be triggered by an attacker in the context of the vulnerable product. Further attacks include arbitrary code execution and denial of service. | |
| Affected OS: | Other Unix, Linux | |
| Reference: | SecurityFocusBID:83265 SecurityTrackerID:1035020 ExploitDB:39454 |
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| Solutions |
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| More advisories have been published on the website, please visit for more suggestions: https://sourceware.org/ml/libc-alpha/2016-02/msg00416.html |