CVE-2019-9923

pax_decode_header in sparse.c in GNU Tar before 1.32 had a NULL pointer dereference when parsing certain archives that have malformed ext… (CVE-2019-9923)

Description

pax_decode_header in sparse.c in GNU Tar before 1.32 had a NULL pointer dereference when parsing certain archives that have malformed extended headers.

Source: CVELISTV5 NVD

Metrics

Severity

high

89.47

—

no public PoC known

7.5

Source: nvd-v3

CVSS v3

7.5

CVSS v4

—

EPSS percentile

86.7 %

Critical — this CVE ranks in the top fifth of all CVEs scored today (rank ≥ 80%).

EPSS score

3.0 %

Moderate — model estimates 1-10% exploitation likelihood.

Published

2019-03-22 07:06 UTC

CWE

—

Affected operating systems

linux
opensuse / leap15.0

Affected products

Products and version ranges extracted from the vendor/CERT advisory. A range like „<4.14.6“ implies the update recommendation „upgrade to 4.14.6 or later“.

gnu
tar1.32

References & sources

https://bugs.launchpad.net/ubuntu/+source/tar/+bug/1810241
x_refsource_MISC
http://git.savannah.gnu.org/cgit/tar.git/commit/?id=cb07844454d8cc9fb21f53ace75975f91185a120
x_refsource_MISC
http://savannah.gnu.org/bugs/?55369
x_refsource_MISC
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00077.html
vendor-advisoryx_refsource_SUSE
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
mailing-listx_refsource_MLIST

IDCVE-2019-9923