Medium: ncurses

Issue Overview:

There is a heap-based buffer over-read in the _nc_find_entry function in tinfo/comp_hash.c in the terminfo library in ncurses before 6.1-20191012. (CVE-2019-17594)

There is a heap-based buffer over-read in the fmt_entry function in tinfo/comp_hash.c in the terminfo library in ncurses before 6.1-20191012. (CVE-2019-17595)

Buffer Overflow vulnerability in one_one_mapping function in progs/dump_entry.c:1373 in ncurses 6.1 allows remote attackers to cause a denial of service via crafted command. (CVE-2020-19185)

Buffer Overflow vulnerability in _nc_find_entry function in tinfo/comp_hash.c:66 in ncurses 6.1 allows remote attackers to cause a denial of service via crafted command. (CVE-2020-19186)

Buffer Overflow vulnerability in fmt_entry function in progs/dump_entry.c:1100 in ncurses 6.1 allows remote attackers to cause a denial of service via crafted command. (CVE-2020-19187)

Buffer Overflow vulnerability in fmt_entry function in progs/dump_entry.c:1116 in ncurses 6.1 allows remote attackers to cause a denial of service via crafted command. (CVE-2020-19188)

Buffer Overflow vulnerability in postprocess_terminfo function in tinfo/parse_entry.c:997 in ncurses 6.1 allows remote attackers to cause a denial of service via crafted command. (CVE-2020-19189)

Buffer Overflow vulnerability in _nc_find_entry in tinfo/comp_hash.c:70 in ncurses 6.1 allows remote attackers to cause a denial of service via crafted command. (CVE-2020-19190)

Affected Packages:

ncurses

Note:

This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.

Issue Correction:
Run yum update ncurses to update your system.

New Packages:

aarch64:  
    ncurses-6.0-8.20170212.amzn2.1.6.aarch64  
    ncurses-libs-6.0-8.20170212.amzn2.1.6.aarch64  
    ncurses-compat-libs-6.0-8.20170212.amzn2.1.6.aarch64  
    ncurses-c++-libs-6.0-8.20170212.amzn2.1.6.aarch64  
    ncurses-devel-6.0-8.20170212.amzn2.1.6.aarch64  
    ncurses-static-6.0-8.20170212.amzn2.1.6.aarch64  
    ncurses-debuginfo-6.0-8.20170212.amzn2.1.6.aarch64  
  
i686:  
    ncurses-6.0-8.20170212.amzn2.1.6.i686  
    ncurses-libs-6.0-8.20170212.amzn2.1.6.i686  
    ncurses-compat-libs-6.0-8.20170212.amzn2.1.6.i686  
    ncurses-c++-libs-6.0-8.20170212.amzn2.1.6.i686  
    ncurses-devel-6.0-8.20170212.amzn2.1.6.i686  
    ncurses-static-6.0-8.20170212.amzn2.1.6.i686  
    ncurses-debuginfo-6.0-8.20170212.amzn2.1.6.i686  
  
noarch:  
    ncurses-base-6.0-8.20170212.amzn2.1.6.noarch  
    ncurses-term-6.0-8.20170212.amzn2.1.6.noarch  
  
src:  
    ncurses-6.0-8.20170212.amzn2.1.6.src  
  
x86_64:  
    ncurses-6.0-8.20170212.amzn2.1.6.x86_64  
    ncurses-libs-6.0-8.20170212.amzn2.1.6.x86_64  
    ncurses-compat-libs-6.0-8.20170212.amzn2.1.6.x86_64  
    ncurses-c++-libs-6.0-8.20170212.amzn2.1.6.x86_64  
    ncurses-devel-6.0-8.20170212.amzn2.1.6.x86_64  
    ncurses-static-6.0-8.20170212.amzn2.1.6.x86_64  
    ncurses-debuginfo-6.0-8.20170212.amzn2.1.6.x86_64  

Additional References

Red Hat: CVE-2019-17594, CVE-2019-17595, CVE-2020-19185, CVE-2020-19186, CVE-2020-19187, CVE-2020-19188, CVE-2020-19189, CVE-2020-19190

Mitre: CVE-2019-17594, CVE-2019-17595, CVE-2020-19185, CVE-2020-19186, CVE-2020-19187, CVE-2020-19188, CVE-2020-19189, CVE-2020-19190