CVE-2020-13696
Summary
| CVE | CVE-2020-13696 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2020-06-08 17:15:00 UTC |
| Updated | 2023-11-07 03:16:00 UTC |
| Description | An issue was discovered in LinuxTV xawtv before 3.107. The function dev_open() in v4l-conf.c does not perform sufficient checks to prevent an unprivileged caller of the program from opening unintended filesystem paths. This allows a local attacker with access to the v4l-conf setuid-root program to test for the existence of arbitrary files and to trigger an open on arbitrary files with mode O_RDWR. To achieve this, relative path components need to be added to the device path, as demonstrated by a v4l-conf -c /dev/../root/.bash_history command. |
Risk And Classification
Problem Types: CWE-863
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Canonical | Ubuntu Linux | 16.04 | All | All | All |
| Operating System | Debian | Debian Linux | 8.0 | All | All | All |
| Operating System | Debian | Debian Linux | 8.0 | All | All | All |
| Operating System | Fedoraproject | Fedora | 31 | All | All | All |
| Operating System | Fedoraproject | Fedora | 32 | All | All | All |
| Application | Linuxtv | Xawtv | All | All | All | All |
| Application | Linuxtv | Xawtv | All | All | All | All |
| Application | Opensuse | Backports Sle | 15.0 | sp1 | All | All |
| Application | Opensuse | Backports Sle | 15.0 | sp1 | All | All |
| Operating System | Opensuse | Leap | 15.1 | All | All | All |
| Operating System | Opensuse | Leap | 15.1 | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| xawtv3.git - xawtv 3.x | MISC | git.linuxtv.org | Patch, Vendor Advisory |
| [SECURITY] Fedora 31 Update: xawtv-3.107-2.fc31 - package-announce - Fedora Mailing-Lists | FEDORA | lists.fedoraproject.org | |
| oss-security - xawtv: CVE-2020-13696: v4l-conf setuid-root program allows file existence tests and open(..., O_RDRW) on arbitrary files | CONFIRM | www.openwall.com | Issue Tracking, Mailing List, Third Party Advisory |
| [SECURITY] [DLA 2246-1] xawtv security update | MLIST | lists.debian.org | Mailing List, Third Party Advisory |
| [SECURITY] Fedora 32 Update: xawtv-3.107-1.fc32 - package-announce - Fedora Mailing-Lists | lists.fedoraproject.org | ||
| [security-announce] openSUSE-SU-2020:0787-1: moderate: Security update f | SUSE | lists.opensuse.org | Mailing List, Third Party Advisory |
| [SECURITY] Fedora 32 Update: xawtv-3.107-1.fc32 - package-announce - Fedora Mailing-Lists | FEDORA | lists.fedoraproject.org | |
| [security-announce] openSUSE-SU-2020:0784-1: moderate: Security update f | SUSE | lists.opensuse.org | Mailing List, Third Party Advisory |
| xawtv3.git - xawtv 3.x | MISC | git.linuxtv.org | Patch, Vendor Advisory |
| USN-4518-1: xawtv vulnerability | Ubuntu security notices | Ubuntu | UBUNTU | usn.ubuntu.com | |
| Invalid Bug ID | MISC | bugzilla.suse.com | Broken Link, Third Party Advisory |
| [SECURITY] Fedora 31 Update: xawtv-3.107-2.fc31 - package-announce - Fedora Mailing-Lists | lists.fedoraproject.org | ||
| xawtv3.git - xawtv 3.x | MISC | git.linuxtv.org | Patch, Vendor Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.