Filtered by vendor Fedoraproject
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Total
5385 CVE
| CVE | Vendors | Products | Updated | CVSS v2 | CVSS v3 |
|---|---|---|---|---|---|
| CVE-2020-25600 | 4 Debian, Fedoraproject, Opensuse and 1 more | 4 Debian Linux, Fedora, Leap and 1 more | 2023-11-07 | 4.9 MEDIUM | 5.5 MEDIUM |
| An issue was discovered in Xen through 4.14.x. Out of bounds event channels are available to 32-bit x86 domains. The so called 2-level event channel model imposes different limits on the number of usable event channels for 32-bit x86 domains vs 64-bit or Arm (either bitness) ones. 32-bit x86 domains can use only 1023 channels, due to limited space in their shared (between guest and Xen) information structure, whereas all other domains can use up to 4095 in this model. The recording of the respective limit during domain initialization, however, has occurred at a time where domains are still deemed to be 64-bit ones, prior to actually honoring respective domain properties. At the point domains get recognized as 32-bit ones, the limit didn't get updated accordingly. Due to this misbehavior in Xen, 32-bit domains (including Domain 0) servicing other domains may observe event channel allocations to succeed when they should really fail. Subsequent use of such event channels would then possibly lead to corruption of other parts of the shared info structure. An unprivileged guest may cause another domain, in particular Domain 0, to misbehave. This may lead to a Denial of Service (DoS) for the entire system. All Xen versions from 4.4 onwards are vulnerable. Xen versions 4.3 and earlier are not vulnerable. Only x86 32-bit domains servicing other domains are vulnerable. Arm systems, as well as x86 64-bit domains, are not vulnerable. | |||||
| CVE-2020-26570 | 3 Debian, Fedoraproject, Opensc Project | 3 Debian Linux, Fedora, Opensc | 2023-11-07 | 2.1 LOW | 5.5 MEDIUM |
| The Oberthur smart card software driver in OpenSC before 0.21.0-rc1 has a heap-based buffer overflow in sc_oberthur_read_file. | |||||
| CVE-2020-25693 | 2 Cimg, Fedoraproject | 2 Cimg, Fedora | 2023-11-07 | 5.8 MEDIUM | 8.1 HIGH |
| A flaw was found in CImg in versions prior to 2.9.3. Integer overflows leading to heap buffer overflows in load_pnm() can be triggered by a specially crafted input file processed by CImg, which can lead to an impact to application availability or data integrity. | |||||
| CVE-2020-26890 | 2 Fedoraproject, Matrix | 2 Fedora, Synapse | 2023-11-07 | 5.0 MEDIUM | 7.5 HIGH |
| Matrix Synapse before 1.20.0 erroneously permits non-standard NaN, Infinity, and -Infinity JSON values in fields of m.room.member events, allowing remote attackers to execute a denial of service attack against the federation and common Matrix clients. If such a malformed event is accepted into the room's state, the impact is long-lasting and is not fixed by an upgrade to a newer version, requiring the event to be manually redacted instead. Since events are replicated to servers of other room members, the impact is not constrained to the server of the event sender. | |||||
| CVE-2020-25685 | 4 Arista, Debian, Fedoraproject and 1 more | 4 Eos, Debian Linux, Fedora and 1 more | 2023-11-07 | 4.3 MEDIUM | 3.7 LOW |
| A flaw was found in dnsmasq before version 2.83. When getting a reply from a forwarded query, dnsmasq checks in forward.c:reply_query(), which is the forwarded query that matches the reply, by only using a weak hash of the query name. Due to the weak hash (CRC32 when dnsmasq is compiled without DNSSEC, SHA-1 when it is) this flaw allows an off-path attacker to find several different domains all having the same hash, substantially reducing the number of attempts they would have to perform to forge a reply and get it accepted by dnsmasq. This is in contrast with RFC5452, which specifies that the query name is one of the attributes of a query that must be used to match a reply. This flaw could be abused to perform a DNS Cache Poisoning attack. If chained with CVE-2020-25684 the attack complexity of a successful attack is reduced. The highest threat from this vulnerability is to data integrity. | |||||
| CVE-2020-25664 | 2 Fedoraproject, Imagemagick | 2 Fedora, Imagemagick | 2023-11-07 | 5.8 MEDIUM | 6.1 MEDIUM |
| In WriteOnePNGImage() of the PNG coder at coders/png.c, an improper call to AcquireVirtualMemory() and memset() allows for an out-of-bounds write later when PopShortPixel() from MagickCore/quantum-private.h is called. The patch fixes the calls by adding 256 to rowbytes. An attacker who is able to supply a specially crafted image could affect availability with a low impact to data integrity. This flaw affects ImageMagick versions prior to 6.9.10-68 and 7.0.8-68. | |||||
| CVE-2020-25639 | 3 Fedoraproject, Linux, Redhat | 5 Fedora, Linux Kernel, Enterprise Linux and 2 more | 2023-11-07 | 4.9 MEDIUM | 4.4 MEDIUM |
| A NULL pointer dereference flaw was found in the Linux kernel's GPU Nouveau driver functionality in versions prior to 5.12-rc1 in the way the user calls ioctl DRM_IOCTL_NOUVEAU_CHANNEL_ALLOC. This flaw allows a local user to crash the system. | |||||
| CVE-2020-25687 | 3 Debian, Fedoraproject, Thekelleys | 3 Debian Linux, Fedora, Dnsmasq | 2023-11-07 | 7.1 HIGH | 5.9 MEDIUM |
| 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. This flaw allows a remote attacker, who can create valid DNS replies, 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 sort_rrset() and cause a crash in dnsmasq, resulting in a denial of service. The highest threat from this vulnerability is to system availability. | |||||
| CVE-2020-26880 | 3 Debian, Fedoraproject, Sympa | 3 Debian Linux, Fedora, Sympa | 2023-11-07 | 7.2 HIGH | 7.8 HIGH |
| Sympa through 6.2.57b.2 allows a local privilege escalation from the sympa user account to full root access by modifying the sympa.conf configuration file (which is owned by sympa) and parsing it through the setuid sympa_newaliases-wrapper executable. | |||||
| CVE-2020-26418 | 4 Debian, Fedoraproject, Oracle and 1 more | 4 Debian Linux, Fedora, Zfs Storage Appliance Kit and 1 more | 2023-11-07 | 5.0 MEDIUM | 5.3 MEDIUM |
| Memory leak in Kafka protocol dissector in Wireshark 3.4.0 and 3.2.0 to 3.2.8 allows denial of service via packet injection or crafted capture file. | |||||
| CVE-2020-27670 | 4 Debian, Fedoraproject, Opensuse and 1 more | 4 Debian Linux, Fedora, Leap and 1 more | 2023-11-07 | 6.9 MEDIUM | 7.8 HIGH |
| An issue was discovered in Xen through 4.14.x allowing x86 guest OS users to cause a denial of service (data corruption), cause a data leak, or possibly gain privileges because an AMD IOMMU page-table entry can be half-updated. | |||||
| CVE-2020-26555 | 3 Bluetooth, Fedoraproject, Intel | 32 Bluetooth Core Specification, Fedora, Ac 3165 and 29 more | 2023-11-07 | 4.8 MEDIUM | 5.4 MEDIUM |
| Bluetooth legacy BR/EDR PIN code pairing in Bluetooth Core Specification 1.0B through 5.2 may permit an unauthenticated nearby device to spoof the BD_ADDR of the peer device to complete pairing without knowledge of the PIN. | |||||
| CVE-2020-25702 | 2 Fedoraproject, Moodle | 2 Fedora, Moodle | 2023-11-07 | 4.3 MEDIUM | 6.1 MEDIUM |
| In Moodle, it was possible to include JavaScript when re-naming content bank items. Versions affected: 3.9 to 3.9.2. This is fixed in moodle 3.9.3 and 3.10. | |||||
| CVE-2020-24972 | 3 Fedoraproject, Kleopatra Project, Opensuse | 4 Fedora, Kleopatra, Backports Sle and 1 more | 2023-11-07 | 6.5 MEDIUM | 8.8 HIGH |
| The Kleopatra component before 3.1.12 (and before 20.07.80) for GnuPG allows remote attackers to execute arbitrary code because openpgp4fpr: URLs are supported without safe handling of command-line options. The Qt platformpluginpath command-line option can be used to load an arbitrary DLL. | |||||
| CVE-2020-25275 | 3 Debian, Dovecot, Fedoraproject | 3 Debian Linux, Dovecot, Fedora | 2023-11-07 | 5.0 MEDIUM | 7.5 HIGH |
| Dovecot before 2.3.13 has Improper Input Validation in lda, lmtp, and imap, leading to an application crash via a crafted email message with certain choices for ten thousand MIME parts. | |||||
| CVE-2020-24553 | 4 Fedoraproject, Golang, Opensuse and 1 more | 4 Fedora, Go, Leap and 1 more | 2023-11-07 | 4.3 MEDIUM | 6.1 MEDIUM |
| Go before 1.14.8 and 1.15.x before 1.15.1 allows XSS because text/html is the default for CGI/FCGI handlers that lack a Content-Type header. | |||||
| CVE-2020-25703 | 2 Fedoraproject, Moodle | 2 Fedora, Moodle | 2023-11-07 | 5.0 MEDIUM | 5.3 MEDIUM |
| The participants table download in Moodle always included user emails, but should have only done so when users' emails are not hidden. Versions affected: 3.9 to 3.9.2, 3.8 to 3.8.5 and 3.7 to 3.7.8. This is fixed in moodle 3.9.3, 3.8.6, 3.7.9, and 3.10. | |||||
| CVE-2020-25681 | 3 Debian, Fedoraproject, Thekelleys | 3 Debian Linux, Fedora, Dnsmasq | 2023-11-07 | 8.3 HIGH | 8.1 HIGH |
| 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. | |||||
| CVE-2020-25813 | 2 Fedoraproject, Mediawiki | 2 Fedora, Mediawiki | 2023-11-07 | 5.0 MEDIUM | 5.3 MEDIUM |
| In MediaWiki before 1.31.10 and 1.32.x through 1.34.x before 1.34.4, Special:UserRights exposes the existence of hidden users. | |||||
| CVE-2020-25698 | 2 Fedoraproject, Moodle | 2 Fedora, Moodle | 2023-11-07 | 5.0 MEDIUM | 7.5 HIGH |
| Users' enrollment capabilities were not being sufficiently checked in Moodle when they are restored into an existing course. This could lead to them unenrolling users without having permission to do so. Versions affected: 3.5 to 3.5.14, 3.7 to 3.7.8, 3.8 to 3.8.5, 3.9 to 3.9.2 and earlier unsupported versions. Fixed in 3.9.3, 3.8.6, 3.7.9, 3.5.15, and 3.10. | |||||