Test ID:	1.3.6.1.4.1.25623.1.0.844863
Category:	Ubuntu Local Security Checks
Title:	Ubuntu: Security Advisory (USN-4763-1)
Summary:	The remote host is missing an update for the 'pillow' package(s) announced via the USN-4763-1 advisory.
Description:	Summary: The remote host is missing an update for the 'pillow' package(s) announced via the USN-4763-1 advisory. Vulnerability Insight: It was discovered that Pillow incorrectly handled certain Tiff image files. If a user or automated system were tricked into opening a specially-crafted Tiff file, a remote attacker could cause Pillow to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 20.04 LTS and Ubuntu 20.10. (CVE-2021-25289, CVE-2021-25291) It was discovered that Pillow incorrectly handled certain Tiff image files. If a user or automated system were tricked into opening a specially-crafted Tiff file, a remote attacker could cause Pillow to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2021-25290) It was discovered that Pillow incorrectly handled certain PDF files. If a user or automated system were tricked into opening a specially-crafted PDF file, a remote attacker could cause Pillow to hang, resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 20.10. (CVE-2021-25292) It was discovered that Pillow incorrectly handled certain SGI image files. If a user or automated system were tricked into opening a specially-crafted SGI file, a remote attacker could possibly cause Pillow to crash, resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 20.10. (CVE-2021-25293) Jiayi Lin, Luke Shaffer, Xinran Xie, and Akshay Ajayan discovered that Pillow incorrectly handled certain BLP files. If a user or automated system were tricked into opening a specially-crafted BLP file, a remote attacker could possibly cause Pillow to consume resources, resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 20.10. (CVE-2021-27921) Jiayi Lin, Luke Shaffer, Xinran Xie, and Akshay Ajayan discovered that Pillow incorrectly handled certain ICNS files. If a user or automated system were tricked into opening a specially-crafted ICNS file, a remote attacker could possibly cause Pillow to consume resources, resulting in a denial of service. (CVE-2021-27922) Jiayi Lin, Luke Shaffer, Xinran Xie, and Akshay Ajayan discovered that Pillow incorrectly handled certain ICO files. If a user or automated system were tricked into opening a specially-crafted ICO file, a remote attacker could possibly cause Pillow to consume resources, resulting in a denial of service. (CVE-2021-27922) Affected Software/OS: 'pillow' package(s) on Ubuntu 16.04, Ubuntu 18.04, Ubuntu 20.04, Ubuntu 20.10. Solution: Please install the updated package(s). CVSS Score: 7.5 CVSS Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2021-25289 https://security.gentoo.org/glsa/202107-33 https://pillow.readthedocs.io/en/stable/releasenotes/8.1.1.html Common Vulnerability Exposure (CVE) ID: CVE-2021-25290 https://lists.debian.org/debian-lts-announce/2021/07/msg00018.html Common Vulnerability Exposure (CVE) ID: CVE-2021-25291 Common Vulnerability Exposure (CVE) ID: CVE-2021-25292 Common Vulnerability Exposure (CVE) ID: CVE-2021-25293 Common Vulnerability Exposure (CVE) ID: CVE-2021-27921 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZTSY25UJU7NJUFHH3HWT575LT4TDFWBZ/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TQQY6472RX4J2SUJENWDZAWKTJJGP2ML/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/S7G44Z33J4BNI2DPDROHWGVG2U7ZH5JU/ Common Vulnerability Exposure (CVE) ID: CVE-2021-27922 Common Vulnerability Exposure (CVE) ID: CVE-2021-27923
Copyright	Copyright (C) 2021 Greenbone AG

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