Improper Input Validation

Affecting mercurial package, versions <4.0-1+deb9u2

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Overview

The mpatch_decode function in mpatch.c in Mercurial before 4.6.1 mishandles certain situations where there should be at least 12 bytes remaining after the current position in the patch data, but actually are not, aka OVE-20180430-0001.

References

CVSS Score

7.5
high severity
  • Attack Vector
    Network
  • Attack Complexity
    Low
  • Privileges Required
    None
  • User Interaction
    None
  • Scope
    Unchanged
  • Confidentiality
    None
  • Integrity
    High
  • Availability
    None
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVE
CVE-2018-13348
CWE
CWE-20
Snyk ID
SNYK-DEBIAN9-MERCURIAL-311101
Disclosed
06 Jul, 2018
Published
11 Jul, 2018