CVSS: 4.3EPSS: 0%CPEs: 14EXPL: 0CVE-2021-2007 – mysql: C API unspecified vulnerability (CPU Jan 2021)
https://notcve.org/view.php?id=CVE-2021-2007
Vulnerability in the MySQL Client product of Oracle MySQL (component: C API). Supported versions that are affected are 5.6.47 and prior, 5.7.29 and prior and 8.0.19 and prior. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Client. Successful attacks of this vulnerability can result in unauthorized read access to a subset of MySQL Client accessible data. CVSS 3.1 Base Score 3.7 (Confidentiality impacts). • https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CS5THZSGI7O2CZO44NWYE57AG2T7NK3K https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T7EAHJPWOOF4D6PEFLXW5IQWRRSZ3HRC https://security.gentoo.org/glsa/202105-27 https://security.netapp.com/advisory/ntap-20210622-0001 https://www.oracle.com/security-alerts/cpujan2021.html https://access.redhat.com/security/cve/CVE-2021-2007 https://bugzilla.redhat.com/show_bug.cgi?id=1922382 •
CVSS: 5.5EPSS: 0%CPEs: 8EXPL: 0CVE-2021-1998 – mysql: Server: Optimizer unspecified vulnerability (CPU Jan 2021)
https://notcve.org/view.php?id=CVE-2021-1998
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.20 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of MySQL Server accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of MySQL Server. CVSS 3.1 Base Score 3.8 (Integrity and Availability impacts). • https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CS5THZSGI7O2CZO44NWYE57AG2T7NK3K https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T7EAHJPWOOF4D6PEFLXW5IQWRRSZ3HRC https://security.gentoo.org/glsa/202105-27 https://security.netapp.com/advisory/ntap-20210219-0003 https://www.oracle.com/security-alerts/cpujan2021.html https://access.redhat.com/security/cve/CVE-2021-1998 https://bugzilla.redhat.com/show_bug.cgi?id=1922378 •
CVSS: 8.3EPSS: 18%CPEs: 5EXPL: 0CVE-2020-25681 – dnsmasq: heap-based buffer overflow in sort_rrset() when DNSSEC is enabled
https://notcve.org/view.php?id=CVE-2020-25681
A flaw was found in dnsmasq before version 2.83. A heap-based buffer overflow was discovered in the way RRSets are sorted before validating with DNSSEC data. An attacker on the network, who can forge DNS replies such as that they are accepted as valid, could use this flaw to cause a buffer overflow with arbitrary data in a heap memory segment, possibly executing code on the machine. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. Se encontró un fallo en dnsmasq versiones anteriores a 2.83. • https://bugzilla.redhat.com/show_bug.cgi?id=1881875 https://lists.debian.org/debian-lts-announce/2021/03/msg00027.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QGB7HL3OWHTLEPSMLDGOMXQKG3KM2QME https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WYW3IR6APUSKOYKL5FT3ACTIHWHGQY32 https://security.gentoo.org/glsa/202101-17 https://www.debian.org/security/2021/dsa-4844 https://www.jsof-tech.com/disclosures/dnspooq https:// • CWE-122: Heap-based Buffer Overflow •
CVSS: 8.3EPSS: 11%CPEs: 5EXPL: 0CVE-2020-25682 – dnsmasq: buffer overflow in extract_name() due to missing length check when DNSSEC is enabled
https://notcve.org/view.php?id=CVE-2020-25682
A flaw was found in dnsmasq before 2.83. A buffer overflow vulnerability was discovered in the way dnsmasq extract names from DNS packets before validating them with DNSSEC data. An attacker on the network, who can create valid DNS replies, could use this flaw to cause an overflow with arbitrary data in a heap-allocated memory, possibly executing code on the machine. The flaw is in the rfc1035.c:extract_name() function, which writes data to the memory pointed by name assuming MAXDNAME*2 bytes are available in the buffer. However, in some code execution paths, it is possible extract_name() gets passed an offset from the base buffer, thus reducing, in practice, the number of available bytes that can be written in the buffer. • https://bugzilla.redhat.com/show_bug.cgi?id=1882014 https://lists.debian.org/debian-lts-announce/2021/03/msg00027.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QGB7HL3OWHTLEPSMLDGOMXQKG3KM2QME https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WYW3IR6APUSKOYKL5FT3ACTIHWHGQY32 https://security.gentoo.org/glsa/202101-17 https://www.debian.org/security/2021/dsa-4844 https://www.jsof-tech.com/disclosures/dnspooq https:// • CWE-122: Heap-based Buffer Overflow CWE-787: Out-of-bounds Write •
CVSS: 7.1EPSS: 9%CPEs: 5EXPL: 0CVE-2020-25683 – dnsmasq: heap-based buffer overflow with large memcpy in get_rdata() when DNSSEC is enabled
https://notcve.org/view.php?id=CVE-2020-25683
A flaw was found in dnsmasq before version 2.83. A heap-based buffer overflow was discovered in dnsmasq when DNSSEC is enabled and before it validates the received DNS entries. A remote attacker, who can create valid DNS replies, could use this flaw to cause an overflow in a heap-allocated memory. This flaw is caused by the lack of length checks in rfc1035.c:extract_name(), which could be abused to make the code execute memcpy() with a negative size in get_rdata() and cause a crash in dnsmasq, resulting in a denial of service. The highest threat from this vulnerability is to system availability. • https://bugzilla.redhat.com/show_bug.cgi?id=1882018 https://lists.debian.org/debian-lts-announce/2021/03/msg00027.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QGB7HL3OWHTLEPSMLDGOMXQKG3KM2QME https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WYW3IR6APUSKOYKL5FT3ACTIHWHGQY32 https://security.gentoo.org/glsa/202101-17 https://www.debian.org/security/2021/dsa-4844 https://www.jsof-tech.com/disclosures/dnspooq https:// • CWE-122: Heap-based Buffer Overflow •