CVE-2015-4021

The phar_parse_tarfile function in ext/phar/tar.c in PHP before 5.4.41, 5.5.x before 5.5.25, and 5.6.x before 5.6.9 does not verify that the first character of…

published June 9, 2015

CVSS
—
EPSS
20%
Percentile
97.5
In the wild
Unconfirmed
What it is

The phar_parse_tarfile function in ext/phar/tar.c in PHP before 5.4.41, 5.5.x before 5.5.25, and 5.6.x before 5.6.9 does not verify that the first character of a filename is different from the \0 character, which allows remote attackers to cause a denial of service (integer underflow and memory corruption) via a crafted entry in a tar archive.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.20480 · 97.5th percentile
Published
2015-06-09T18:00Z
EPSS history
Timeline
  • 09 JUN 18:00Z
    The phar_parse_tarfile function in ext/phar/tar.c in PHP before 5.4.41, 5.5.x before 5.5.25, and 5.6.x before 5.6.9 does not verify that the first character of…
    cvelistv5