Use of Uninitialized Resource

Affecting libxslt package, versions <1.1.29-2.1+deb9u1

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Overview

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.

References

CVSS Score

7.5
high severity
  • Attack Vector
    Network
  • Attack Complexity
    Low
  • Privileges Required
    None
  • User Interaction
    None
  • Scope
    Unchanged
  • Confidentiality
    High
  • Integrity
    None
  • Availability
    None
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVE
CVE-2019-13117
CWE
CWE-908
Snyk ID
SNYK-DEBIAN9-LIBXSLT-451292
Disclosed
01 Jul, 2019
Published
01 Jul, 2019