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Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2021/05/msg00021.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TEOT4RLB76RVPJQKGGTIKTBIOLHX2NR6/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://lists.freedesktop.org/archives/xorg/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://lists.x.org/archives/xorg-announce/2021-May/003088.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202105-16"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20210813-0001/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://unparalleled.eu/blog/2021/20210518-using-xterm-to-navigate-the-huge-color-space/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://unparalleled.eu/publications/2021/advisory-unpar-2021-1.txt"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2021/dsa-4920"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://www.openwall.com/lists/oss-security/2021/05/18/2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://www.openwall.com/lists/oss-security/2021/05/18/3"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-120"}], "source": "[email protected]", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHBA-2021:3472", "cpe": "cpe:/a:redhat:ansible_automation_platform:3.8::el7", "package": "ansible-tower-38/ansible-tower-rhel7:3.8.4-1", "product_name": "Red Hat Ansible Tower 3.8 for RHEL 7", "release_date": "2021-09-08T00:00:00Z"}, {"advisory": "RHSA-2021:3296", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "libX11-0:1.6.7-4.el7_9", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2021-08-30T00:00:00Z"}, {"advisory": "RHSA-2021:4326", "cpe": "cpe:/a:redhat:enterprise_linux:8", "impact": "moderate", "package": "libX11-0:1.6.8-5.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2021-11-09T00:00:00Z"}, {"advisory": "RHSA-2021:3477", "cpe": "cpe:/o:redhat:enterprise_linux:7::hypervisor", "package": "redhat-virtualization-host-0:4.3.18-20210903.0.el7_9", "product_name": "Red Hat Virtualization 4 for Red Hat Enterprise Linux 7", "release_date": "2021-09-09T00:00:00Z"}], "bugzilla": {"description": "libX11: missing request length checks", "id": "1961822", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1961822"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.1", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-20->CWE-77", "details": ["LookupCol.c in X.Org X through X11R7.7 and libX11 before 1.7.1 might allow remote attackers to execute arbitrary code. The libX11 XLookupColor request (intended for server-side color lookup) contains a flaw allowing a client to send color-name requests with a name longer than the maximum size allowed by the protocol (and also longer than the maximum packet size for normal-sized packets). The user-controlled data exceeding the maximum size is then interpreted by the server as additional X protocol requests and executed, e.g., to disable X server authorization completely. For example, if the victim encounters malicious terminal control sequences for color codes, then the attacker may be able to take full control of the running graphical session.", "A missing validation flaw was found in libX11. This flaw allows an attacker to inject X11 protocol commands on X clients, and in some cases, also bypass, authenticate (via injection of control characters), or potentially execute arbitrary code with permissions of the application compiled with libX11. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability."], "mitigation": {"lang": "en:us", "value": "xterm should not be used to display less trusted data, e.g. from SSH connections to less trusted remote machines.\nTo avoid attacks via .Xdefaults on kiosk type machines, where graphical user has no permission to execute arbitrary operating system commands or sometimes not even to send hardware keyboard keystrokes, the .Xdefaults must not be modifiable by the user."}, "name": "CVE-2021-31535", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "libX11", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Will not fix", "impact": "moderate", "package_name": "libX11", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2021-05-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-31535\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-31535\nhttps://unparalleled.eu/blog/2021/20210518-using-xterm-to-navigate-the-huge-color-space/\nhttps://unparalleled.eu/publications/2021/advisory-unpar-2021-1.txt"], "statement": "Xorg server does not run with root privileges in Red Hat Enterprise Linux 8 therefore this flaw has been rated as having moderate impact for Red Hat Enterprise linux 8. RHEL 9 is not vulnerable but is affected, because it is not default configured to run as root.", "threat_severity": "Important", "upstream_fix": "libX11 1.7.1"}