The glob function in glob.c in the GNU C Library (aka glibc or libc6) before 2.27 contains a buffer overflow during unescaping of user names with the ~ operator.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2017-15804 from the MITRE CVE dictionary dictionary and NIST NVD.
| CVSS3 Base Score | 5.5 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| Attack Vector | Local |
| Attack Complexity | Low |
| Privileges Required | Low |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity Impact | None |
| Availability Impact | High |
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat Enterprise Linux 7 (glibc) | RHSA-2018:0805 | 2018-04-10 |
| Red Hat Enterprise Linux 6 (glibc) | RHSA-2018:1879 | 2018-06-19 |
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 7 | compat-glibc | Will not fix |
| Red Hat Enterprise Linux 6 | compat-glibc | Not affected |
| Red Hat Enterprise Linux 5 | compat-glibc | Not affected |
| Red Hat Enterprise Linux 5 | glibc | Not affected |
Vulmon