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Mageia: 2019-0313 moderate: libxslt security update for stack exposure

Updated libxslt package fixes security vulnerabilities: * In numbers.c in libxslt 1.1.33, an xsl:number with certain format strings could lead to a uninitialized read in xsltNumberFormatInsertNumbers. This could allow an attacker to discern whether a byte on the stack contains . MGASA-2019-0313 - Updated libxslt packages fix security vulnerabilities Publication date: 02 Nov 2019 URL: https://advisories.mageia.org/MGASA-2019-0313.html Type: security Affected Mageia releases: 7 CVE: CVE-2019-13117, CVE-2019-13118, CVE-2019-18197 Updated libxslt package fixes security vulnerabilities: * In numbers.c in libxslt 1.1.33, an xsl:number with certain format strings could lead to a uninitialized read in xsltNumberFormatInsertNumbers. This could allow an attacker to discern whether a byte on the stack contains the characters A, a, I, i, or 0, or any other character (CVE-2019-13117). * In numbers.c in libxslt 1.1.33, a type holding grouping characters of an xsl:number instruction was too narrow and an invalid character/length combination could be passed to xsltNumberFormatDecimal, leading to a read of uninitialized stack data (CVE-2019-13118). * In xsltCopyText in transform.c in libxslt 1.1.33, a pointer variable isn't reset under certain circumstances. If the relevant memory area happened to be freed and reused in a certain way, a bounds check could fail and memory outside a buffer could be written to, or uninitialized data could be disclosed (CVE-2019-18197). References: - https://bugs.mageia.org/show_bug.cgi?id=25643 - https://ubuntu.com/security/notices/USN-4164-1 - https://www.cve.org/CVERecord?id=CVE-2019-13117 - https://www.cve.org/CVERecord?id=CVE-2019-13118 - https://www.cve.org/CVERecord?id=CVE-2019-18197 SRPMS: - 7/core/libxslt-1.1.33-2.1.mga7 . The latest libxslt update for Mageia resolves various security vulnerabilities, specifically targeting potential stack memory leakage concerns within the libxslt library.. libxslt update, security advisory, Mageia packages,stack memory. . LinuxSecurity.com Team

Nov 02, 2019 Mageia