RHSA-2020:3868 - Security Advisory

Topic

An update for SDL is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

Simple DirectMedia Layer (SDL) is a cross-platform multimedia library designed to provide fast access to the graphics frame buffer and audio device.

Security Fix(es):

• SDL: buffer over-read in IMA_ADPCM_nibble in audio/SDL_wave.c (CVE-2019-7572)
• SDL: heap-based buffer overflow in function MS_ADPCM_decode in audio/SDL_wave.c (CVE-2019-7575)
• SDL: heap-based buffer over-read in SDL_GetRGB in video/SDL_pixels.c (CVE-2019-7636)
• SDL: heap-based buffer overflow in SDL_FillRect in video/SDL_surface.c (CVE-2019-7637)
• SDL: heap-based buffer over-read in Map1toN in video/SDL_pixels.c (CVE-2019-7638)
• SDL: heap-based buffer over-read in InitMS_ADPCM in audio/SDL_wave.c (CVE-2019-7573)
• SDL: heap-based buffer over-read in IMA_ADPCM_decode in audio/SDL_wave.c (CVE-2019-7574)
• SDL: heap-based buffer over-read in InitMS_ADPCM in audio/SDL_wave.c (CVE-2019-7576)
• SDL: buffer over-read in function SDL_LoadWAV_RW in audio/SDL_wave.c (CVE-2019-7577)
• SDL: heap-based buffer over-read in InitIMA_ADPCM in audio/SDL_wave.c (CVE-2019-7578)
• SDL: heap-based buffer over-read in Blit1to4 in video/SDL_blit_1.c (CVE-2019-7635)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.9 Release Notes linked from the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat Enterprise Linux Server 7 x86_64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support 7 x86_64
• Red Hat Enterprise Linux Workstation 7 x86_64
• Red Hat Enterprise Linux Desktop 7 x86_64
• Red Hat Enterprise Linux for IBM z Systems 7 s390x
• Red Hat Enterprise Linux for Power, big endian 7 ppc64
• Red Hat Enterprise Linux for Scientific Computing 7 x86_64
• Red Hat Enterprise Linux for Power, little endian 7 ppc64le
• Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 7 s390x
• Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, big endian 7 ppc64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian 7 ppc64le

Fixes

• BZ - 1676509 - CVE-2019-7577 SDL: buffer over-read in function SDL_LoadWAV_RW in audio/SDL_wave.c
• BZ - 1676743 - CVE-2019-7575 SDL: heap-based buffer overflow in function MS_ADPCM_decode in audio/SDL_wave.c
• BZ - 1676749 - CVE-2019-7574 SDL: heap-based buffer over-read in IMA_ADPCM_decode in audio/SDL_wave.c
• BZ - 1676751 - CVE-2019-7573 SDL: heap-based buffer over-read in InitMS_ADPCM in audio/SDL_wave.c
• BZ - 1676753 - CVE-2019-7572 SDL: buffer over-read in IMA_ADPCM_nibble in audio/SDL_wave.c
• BZ - 1676755 - CVE-2019-7576 SDL: heap-based buffer over-read in InitMS_ADPCM in audio/SDL_wave.c
• BZ - 1676781 - CVE-2019-7578 SDL: heap-based buffer over-read in InitIMA_ADPCM in audio/SDL_wave.c
• BZ - 1677143 - CVE-2019-7638 SDL: heap-based buffer over-read in Map1toN in video/SDL_pixels.c
• BZ - 1677151 - CVE-2019-7637 SDL: heap-based buffer overflow in SDL_FillRect in video/SDL_surface.c
• BZ - 1677156 - CVE-2019-7636 SDL: heap-based buffer over-read in SDL_GetRGB in video/SDL_pixels.c
• BZ - 1677158 - CVE-2019-7635 SDL: heap-based buffer over-read in Blit1to4 in video/SDL_blit_1.c

CVEs

• CVE-2019-7572
• CVE-2019-7573
• CVE-2019-7574
• CVE-2019-7575
• CVE-2019-7576
• CVE-2019-7577
• CVE-2019-7578
• CVE-2019-7635
• CVE-2019-7636
• CVE-2019-7637
• CVE-2019-7638

References

• https://access.redhat.com/security/updates/classification/#moderate
• https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.9_release_notes/index