{"schema_version":"1.7.2","id":"OESA-2023-1358","modified":"2023-06-17T11:05:25Z","published":"2023-06-17T11:05:25Z","upstream":["CVE-2023-31130","CVE-2023-31147"],"summary":"c-ares security update","details":"This is c-ares, an asynchronous resolver library. It is intended for applications which need to perform DNS queries without blocking, or need to perform multiple\n\nSecurity Fix(es):\n\nc-ares is an asynchronous resolver library. ares_inet_net_pton() is vulnerable to a buffer underflow for certain ipv6 addresses, in particular \u0026quot;0::00:00:00/2\u0026quot; was found to cause an issue.  C-ares only uses this function internally for configuration purposes which would require an administrator to configure such an address via ares_set_sortlist(). However, users may externally use ares_inet_net_pton() for other purposes and thus be vulnerable to more severe issues. This issue has been fixed in 1.19.1.\n(CVE-2023-31130)\n\nc-ares is an asynchronous resolver library. When /dev/urandom or RtlGenRandom() are unavailable, c-ares uses rand() to generate random numbers used for DNS query ids. This is not a CSPRNG, and it is also not seeded by srand() so will generate predictable output. Input from the random number generator is fed into a non-compilant RC4 implementation and may not be as strong as the original RC4 implementation. No attempt is made to look for modern OS-provided CSPRNGs like arc4random() that is widely available. This issue has been fixed in version 1.19.1.(CVE-2023-31147)","affected":[{"package":{"ecosystem":"openEuler:20.03-LTS-SP3","name":"c-ares","purl":"pkg:rpm/openEuler/c-ares\u0026distro=openEuler-20.03-LTS-SP3"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.16.1-7.oe1"}]}],"ecosystem_specific":{"aarch64":["c-ares-1.16.1-7.oe1.aarch64.rpm","c-ares-devel-1.16.1-7.oe1.aarch64.rpm","c-ares-debuginfo-1.16.1-7.oe1.aarch64.rpm","c-ares-debugsource-1.16.1-7.oe1.aarch64.rpm"],"noarch":["c-ares-help-1.16.1-7.oe1.noarch.rpm"],"src":["c-ares-1.16.1-7.oe1.src.rpm"],"x86_64":["c-ares-1.16.1-7.oe1.x86_64.rpm","c-ares-devel-1.16.1-7.oe1.x86_64.rpm","c-ares-debuginfo-1.16.1-7.oe1.x86_64.rpm","c-ares-debugsource-1.16.1-7.oe1.x86_64.rpm"]}}],"references":[{"type":"ADVISORY","url":"https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2023-1358"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-31130"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-31147"}],"database_specific":{"severity":"Medium"}}