SB2023121144 - Multiple vulnerabilities in ncurses

Description

This security bulletin contains information about 5 secuirty vulnerabilities.

1) Out-of-bounds write (CVE-ID: CVE-2020-19185)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error within the one_one_mapping() function in progs/dump_entry.c. A remote attacker can send a specially crafted command to the application, trigger an out-of-bounds write and execute arbitrary code on the target system.

2) Out-of-bounds write (CVE-ID: CVE-2020-19186)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error within the _nc_find_entry() function in tinfo/comp_hash.c. A remote attacker can send a specially crafted command to the application, trigger an out-of-bounds write and execute arbitrary code on the target system.

3) Out-of-bounds write (CVE-ID: CVE-2020-19187)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error within the fmt_entry() function in progs/dump_entry.c. A remote attacker can send a specially crafted command to the application, trigger an out-of-bounds write and execute arbitrary code on the target system.

4) Out-of-bounds write (CVE-ID: CVE-2020-19188)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error within the fmt_entry() function in progs/dump_entry.c. A remote attacker can send a specially crafted command to the application, trigger an out-of-bounds write and execute arbitrary code on the target system.

5) Out-of-bounds write (CVE-ID: CVE-2020-19190)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error within the _nc_find_entry() function in tinfo/comp_hash.c. A remote attacker can send a specially crafted command to the application, trigger an out-of-bounds write and execute arbitrary code on the target system.

Remediation

Install update from vendor's website.

References

• https://github.com/zjuchenyuan/fuzzpoc/blob/master/infotocap_poc1.md
• https://security.netapp.com/advisory/ntap-20231006-0005/
• https://github.com/zjuchenyuan/fuzzpoc/blob/master/infotocap_poc2.md
• https://github.com/zjuchenyuan/fuzzpoc/blob/master/infotocap_poc3.md
• https://github.com/zjuchenyuan/fuzzpoc/blob/master/infotocap_poc4.md
• https://github.com/zjuchenyuan/fuzzpoc/blob/master/infotocap_poc6.md