Bug 838382 (CVE-2021-23159, CVE-2021-23172, CVE-2021-23210, CVE-2021-33844, CVE-2021-3643, CVE-2021-40426, CVE-2022-31650, CVE-2022-31651) – media-sound/sox: multiple vulnerabilities

• Product: Gentoo Security
• Status: CONFIRMED ---

[Description John Helmert III 2022-04-15 00:15:28 UTC]

CVE-2021-40426:

A heap-based buffer overflow vulnerability exists in the sphere.c start_read() functionality of Sound Exchange libsox 14.4.2 and master commit 42b3557e. A specially-crafted file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.

No link to upstream report, or patch, or anything, but sphere.c doesn't seem to have been touched since 2014.

[Comment 1 John Helmert III 2022-05-03 00:25:02 UTC]

CVE-2021-3643 (https://bugzilla.redhat.com/show_bug.cgi?id=1980626):

A flaw was found in sox 14.4.1. The lsx_adpcm_init function within libsox leads to a global-buffer-overflow. This flaw allows an attacker to input a malicious file, leading to the disclosure of sensitive information.

According to the Redhat bug, CVE-2021-23210 (a DoS) also affects Sox.

[Comment 2 filip ambroz 2022-05-26 07:29:13 UTC]

[CVE-2022-31650]
In SoX 14.4.2, there is a floating-point exception in lsx_aiffstartwrite in aiff.c in libsox.a.

[CVE-2022-31651]
In SoX 14.4.2, there is an assertion failure in rate_init in rate.c in libsox.a.

---
Found by fuzzing.
URL: https://sourceforge.net/p/sox/bugs/360/

[Comment 3 John Helmert III 2022-08-26 15:58:19 UTC]

CVE-2021-23210 (https://bugzilla.redhat.com/show_bug.cgi?id=1975670):

A floating point exception (divide-by-zero) issue was discovered in SoX in functon read_samples() of voc.c file. An attacker with a crafted file, could cause an application to crash.

Issue: https://sourceforge.net/p/sox/bugs/351/

CVE-2021-33844 (https://bugzilla.redhat.com/show_bug.cgi?id=1975664):

A floating point exception (divide-by-zero) issue was discovered in SoX in functon startread() of wav.c file. An attacker with a crafted wav file, could cause an application to crash.

Issue: https://sourceforge.net/p/sox/bugs/349/

No patches, RedHat closed them as notabug.

[Comment 4 John Helmert III 2022-08-26 17:39:52 UTC]

CVE-2021-23159:

A vulnerability was found in SoX, where a heap-buffer-overflow occurs in function lsx_read_w_buf() in formats_i.c file. The vulnerability is exploitable with a crafted file, that could cause an application to crash.

Issue: https://sourceforge.net/p/sox/bugs/352/
RedHat bug: https://bugzilla.redhat.com/show_bug.cgi?id=1975671

CVE-2021-23172:

A vulnerability was found in SoX, where a heap-buffer-overflow occurs in function startread() in hcom.c file. The vulnerability is exploitable with a crafted hcomn file, that could cause an application to crash.

Issue: https://sourceforge.net/p/sox/bugs/350/
RedHat bug: https://bugzilla.redhat.com/show_bug.cgi?id=1975666

No response from upstream, and RedHat's WONTFIXed their bugs without
explanation. Need to prod them, probably.