CVE-2019-12900

high-risk

Published 2019-06-19

BZ2_decompress in decompress.c in bzip2 through 1.0.6 has an out-of-bounds write when there are many selectors.

Do I need to act?

1.1% chance of exploitation in next 30 days

EPSS score — moderate exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Fix available

Upgrade to: 000593c0f97ac9b75b56064a957b84a3aaa60674, ea673213dd30afd8cacb53927e7d86f6125e86c8, 2de452f8bf2f78417e04bcf7919beb502c53a0e2, a342a49189c16f01e7b95e0bf22ea2bd539222cd, 74de1e2e6ffc9d51ef9824db71a8ffee5962cdbc

CVSS 9.8/10 Critical

NETWORK / LOW complexity

Affected Products (20)

Bzip2

Debian Linux

Leap

Ubuntu Linux

Freebsd

Affected Vendors

Freebsd Debian Bzip Python Canonical Opensuse

References (46)

Mailing List http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00040.html

Mailing List http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00050.html

Mailing List http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00078.html

Mailing List http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00000.html

Third Party Advisory http://packetstormsecurity.com/files/153644/Slackware-Security-Advisory-bzip2-Up...

Third Party Advisory http://packetstormsecurity.com/files/153957/FreeBSD-Security-Advisory-FreeBSD-SA...

Patch https://gitlab.com/federicomenaquintero/bzip2/commit/74de1e2e6ffc9d51ef9824db71a...

https://lists.apache.org/thread.html/ra0adb9653c7de9539b93cc8434143b655f753b9f60...

https://lists.apache.org/thread.html/rce8cd8c30f60604b580ea01bebda8a671a25c9a162...

https://lists.apache.org/thread.html/rda98305669476c4d90cc8527c4deda7e449019dd1f...

Mailing List https://lists.debian.org/debian-lts-announce/2019/06/msg00021.html

Mailing List https://lists.debian.org/debian-lts-announce/2019/07/msg00014.html

Mailing List https://lists.debian.org/debian-lts-announce/2019/10/msg00012.html

Mailing List https://lists.debian.org/debian-lts-announce/2019/10/msg00018.html

Mailing List https://seclists.org/bugtraq/2019/Aug/4

Mailing List https://seclists.org/bugtraq/2019/Jul/22

Patch https://security.FreeBSD.org/advisories/FreeBSD-SA-19:18.bzip2.asc

https://support.f5.com/csp/article/K68713584?utm_source=f5support&amp%3Butm_medi...

Third Party Advisory https://usn.ubuntu.com/4038-1/

Third Party Advisory https://usn.ubuntu.com/4038-2/

and 26 more references

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high-risk

Severity 32/34 · Critical

Exploitability 3/34 · Minimal

Exposure 23/34 · High