Total
8822 CVE
| CVE | Vendors | Products | Updated | CVSS v2 | CVSS v3 |
|---|---|---|---|---|---|
| CVE-2020-29481 | 3 Debian, Fedoraproject, Xen | 3 Debian Linux, Fedora, Xen | 2023-11-07 | 4.6 MEDIUM | 8.8 HIGH |
| An issue was discovered in Xen through 4.14.x. Access rights of Xenstore nodes are per domid. Unfortunately, existing granted access rights are not removed when a domain is being destroyed. This means that a new domain created with the same domid will inherit the access rights to Xenstore nodes from the previous domain(s) with the same domid. Because all Xenstore entries of a guest below /local/domain/<domid> are being deleted by Xen tools when a guest is destroyed, only Xenstore entries of other guests still running are affected. For example, a newly created guest domain might be able to read sensitive information that had belonged to a previously existing guest domain. Both Xenstore implementations (C and Ocaml) are vulnerable. | |||||
| CVE-2020-29480 | 3 Debian, Fedoraproject, Xen | 3 Debian Linux, Fedora, Xen | 2023-11-07 | 2.1 LOW | 2.3 LOW |
| An issue was discovered in Xen through 4.14.x. Neither xenstore implementation does any permission checks when reporting a xenstore watch event. A guest administrator can watch the root xenstored node, which will cause notifications for every created, modified, and deleted key. A guest administrator can also use the special watches, which will cause a notification every time a domain is created and destroyed. Data may include: number, type, and domids of other VMs; existence and domids of driver domains; numbers of virtual interfaces, block devices, vcpus; existence of virtual framebuffers and their backend style (e.g., existence of VNC service); Xen VM UUIDs for other domains; timing information about domain creation and device setup; and some hints at the backend provisioning of VMs and their devices. The watch events do not contain values stored in xenstore, only key names. A guest administrator can observe non-sensitive domain and device lifecycle events relating to other guests. This information allows some insight into overall system configuration (including the number and general nature of other guests), and configuration of other guests (including the number and general nature of other guests' devices). This information might be commercially interesting or might make other attacks easier. There is not believed to be exposure of sensitive data. Specifically, there is no exposure of VNC passwords, port numbers, pathnames in host and guest filesystems, cryptographic keys, or within-guest data. | |||||
| CVE-2020-29479 | 3 Debian, Fedoraproject, Xen | 3 Debian Linux, Fedora, Xen | 2023-11-07 | 7.2 HIGH | 8.8 HIGH |
| An issue was discovered in Xen through 4.14.x. In the Ocaml xenstored implementation, the internal representation of the tree has special cases for the root node, because this node has no parent. Unfortunately, permissions were not checked for certain operations on the root node. Unprivileged guests can get and modify permissions, list, and delete the root node. (Deleting the whole xenstore tree is a host-wide denial of service.) Achieving xenstore write access is also possible. All systems using oxenstored are vulnerable. Building and using oxenstored is the default in the upstream Xen distribution, if the Ocaml compiler is available. Systems using C xenstored are not vulnerable. | |||||
| CVE-2020-29361 | 2 Debian, P11-kit Project | 2 Debian Linux, P11-kit | 2023-11-07 | 5.0 MEDIUM | 7.5 HIGH |
| An issue was discovered in p11-kit 0.21.1 through 0.23.21. Multiple integer overflows have been discovered in the array allocations in the p11-kit library and the p11-kit list command, where overflow checks are missing before calling realloc or calloc. | |||||
| CVE-2020-29130 | 3 Debian, Fedoraproject, Libslirp Project | 3 Debian Linux, Fedora, Libslirp | 2023-11-07 | 4.0 MEDIUM | 4.3 MEDIUM |
| slirp.c in libslirp through 4.3.1 has a buffer over-read because it tries to read a certain amount of header data even if that exceeds the total packet length. | |||||
| CVE-2020-29129 | 3 Debian, Fedoraproject, Libslirp Project | 3 Debian Linux, Fedora, Libslirp | 2023-11-07 | 4.0 MEDIUM | 4.3 MEDIUM |
| ncsi.c in libslirp through 4.3.1 has a buffer over-read because it tries to read a certain amount of header data even if that exceeds the total packet length. | |||||
| CVE-2020-29074 | 3 Debian, Fedoraproject, X11vnc Project | 3 Debian Linux, Fedora, X11vnc | 2023-11-07 | 6.5 MEDIUM | 8.8 HIGH |
| scan.c in x11vnc 0.9.16 uses IPC_CREAT|0777 in shmget calls, which allows access by actors other than the current user. | |||||
| CVE-2020-28949 | 4 Debian, Drupal, Fedoraproject and 1 more | 4 Debian Linux, Drupal, Fedora and 1 more | 2023-11-07 | 6.8 MEDIUM | 7.8 HIGH |
| Archive_Tar through 1.4.10 has :// filename sanitization only to address phar attacks, and thus any other stream-wrapper attack (such as file:// to overwrite files) can still succeed. | |||||
| CVE-2020-28948 | 4 Debian, Drupal, Fedoraproject and 1 more | 4 Debian Linux, Drupal, Fedora and 1 more | 2023-11-07 | 6.8 MEDIUM | 7.8 HIGH |
| Archive_Tar through 1.4.10 allows an unserialization attack because phar: is blocked but PHAR: is not blocked. | |||||
| CVE-2020-28941 | 3 Debian, Fedoraproject, Linux | 3 Debian Linux, Fedora, Linux Kernel | 2023-11-07 | 4.9 MEDIUM | 5.5 MEDIUM |
| An issue was discovered in drivers/accessibility/speakup/spk_ttyio.c in the Linux kernel through 5.9.9. Local attackers on systems with the speakup driver could cause a local denial of service attack, aka CID-d41227544427. This occurs because of an invalid free when the line discipline is used more than once. | |||||
| CVE-2020-28928 | 4 Debian, Fedoraproject, Musl-libc and 1 more | 4 Debian Linux, Fedora, Musl and 1 more | 2023-11-07 | 2.1 LOW | 5.5 MEDIUM |
| In musl libc through 1.2.1, wcsnrtombs mishandles particular combinations of destination buffer size and source character limit, as demonstrated by an invalid write access (buffer overflow). | |||||
| CVE-2020-28636 | 3 Cgal, Debian, Fedoraproject | 3 Computational Geometry Algorithms Library, Debian Linux, Fedora | 2023-11-07 | 7.5 HIGH | 9.8 CRITICAL |
| A code execution vulnerability exists in the Nef polygon-parsing functionality of CGAL libcgal CGAL-5.1.1. An oob read vulnerability exists in Nef_S2/SNC_io_parser.h SNC_io_parser::read_sloop() slh->twin() An attacker can provide malicious input to trigger this vulnerability. | |||||
| CVE-2020-28601 | 3 Cgal, Debian, Fedoraproject | 3 Computational Geometry Algorithms Library, Debian Linux, Fedora | 2023-11-07 | 7.5 HIGH | 9.8 CRITICAL |
| A code execution vulnerability exists in the Nef polygon-parsing functionality of CGAL libcgal CGAL-5.1.1. An oob read vulnerability exists in Nef_2/PM_io_parser.h PM_io_parser::read_vertex() Face_of[] OOB read. An attacker can provide malicious input to trigger this vulnerability. | |||||
| CVE-2020-28374 | 3 Debian, Fedoraproject, Linux | 3 Debian Linux, Fedora, Linux Kernel | 2023-11-07 | 5.5 MEDIUM | 8.1 HIGH |
| In drivers/target/target_core_xcopy.c in the Linux kernel before 5.10.7, insufficient identifier checking in the LIO SCSI target code can be used by remote attackers to read or write files via directory traversal in an XCOPY request, aka CID-2896c93811e3. For example, an attack can occur over a network if the attacker has access to one iSCSI LUN. The attacker gains control over file access because I/O operations are proxied via an attacker-selected backstore. | |||||
| CVE-2020-28368 | 3 Debian, Fedoraproject, Xen | 3 Debian Linux, Fedora, Xen | 2023-11-07 | 2.1 LOW | 4.4 MEDIUM |
| Xen through 4.14.x allows guest OS administrators to obtain sensitive information (such as AES keys from outside the guest) via a side-channel attack on a power/energy monitoring interface, aka a "Platypus" attack. NOTE: there is only one logically independent fix: to change the access control for each such interface in Xen. | |||||
| CVE-2020-28242 | 3 Asterisk, Debian, Fedoraproject | 4 Certified Asterisk, Open Source, Debian Linux and 1 more | 2023-11-07 | 4.0 MEDIUM | 6.5 MEDIUM |
| An issue was discovered in Asterisk Open Source 13.x before 13.37.1, 16.x before 16.14.1, 17.x before 17.8.1, and 18.x before 18.0.1 and Certified Asterisk before 16.8-cert5. If Asterisk is challenged on an outbound INVITE and the nonce is changed in each response, Asterisk will continually send INVITEs in a loop. This causes Asterisk to consume more and more memory since the transaction will never terminate (even if the call is hung up), ultimately leading to a restart or shutdown of Asterisk. Outbound authentication must be configured on the endpoint for this to occur. | |||||
| CVE-2020-28241 | 3 Debian, Fedoraproject, Maxmind | 3 Debian Linux, Fedora, Libmaxminddb | 2023-11-07 | 4.3 MEDIUM | 6.5 MEDIUM |
| libmaxminddb before 1.4.3 has a heap-based buffer over-read in dump_entry_data_list in maxminddb.c. | |||||
| CVE-2020-28040 | 3 Canonical, Debian, Wordpress | 3 Ubuntu Linux, Debian Linux, Wordpress | 2023-11-07 | 4.3 MEDIUM | 4.3 MEDIUM |
| WordPress before 5.5.2 allows CSRF attacks that change a theme's background image. | |||||
| CVE-2020-28039 | 3 Canonical, Debian, Wordpress | 3 Ubuntu Linux, Debian Linux, Wordpress | 2023-11-07 | 6.4 MEDIUM | 9.1 CRITICAL |
| is_protected_meta in wp-includes/meta.php in WordPress before 5.5.2 allows arbitrary file deletion because it does not properly determine whether a meta key is considered protected. | |||||
| CVE-2020-28038 | 3 Debian, Fedoraproject, Wordpress | 3 Debian Linux, Fedora, Wordpress | 2023-11-07 | 4.3 MEDIUM | 6.1 MEDIUM |
| WordPress before 5.5.2 allows stored XSS via post slugs. | |||||