Xcftools could be made to crash or run programs as an administrator if it opened a specially crafted file.. =========================================================================Ubuntu Security Notice USN-5988-1 March 29, 2023 xcftools vulnerabilities ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS - Ubuntu 16.04 ESM Summary: Xcftools could be made to crash or run programs as an administrator if it opened a specially crafted file. Software Description: - xcftools: command-line tools for extracting data for XCF files Details: It was discovered that integer overflows vulnerabilities existed in Xcftools. An attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2019-5086, CVE-2019-5087) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS: xcftools 1.0.7-6ubuntu0.20.04.1 Ubuntu 18.04 LTS: xcftools 1.0.7-6ubuntu0.1 Ubuntu 16.04 ESM: xcftools 1.0.7-5ubuntu0.1~esm1 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-5988-1 CVE-2019-5086, CVE-2019-5087 Package Information: https://launchpad.net/ubuntu/+source/xcftools/1.0.7-6ubuntu0.20.04.1 https://launchpad.net/ubuntu/+source/xcftools/1.0.7-6ubuntu0.1 . To mitigate xcftools vulnerabilities causing crashes or unauthorized access, follow these steps to update your Ubuntu and enhance system security. XCF File Tools, Ubuntu Security Updates, Integer Overflow Protection. . LinuxSecurity.com Team
The patch to address CVE-2019-5086 and CVE-2019-5087 was not portable and did not work on 32 bit processor architectures. This update fixes the problem. For reference, the original advisory text follows. . -------------------------------------------------------------------------Debian LTS Advisory DLA-2553-2
Claudio Bozzato of Cisco Talos discovered an exploitable integer overflow vulnerability in the flattenIncrementally function in the xcf2png and xcf2pnm binaries of xcftools. An integer overflow can occur while walking through tiles that could be exploited to corrupt memory and execute arbitrary code. In order . -------------------------------------------------------------------------Debian LTS Advisory DLA-2553-1
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