CVE-2017-12133
Published: September 7, 2017Last modified: July 22, 2025
Description
Use-after-free vulnerability in the clntudp_call function in sunrpc/clnt_udp.c in the GNU C Library (aka glibc or libc6) before 2.26 allows remote attackers to have unspecified impact via vectors related to error path.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.9 |
| Attack Vector | NETWORK |
| Attack complexity | HIGH |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | HIGH |
| Availability impact | NONE |
| Vector | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | glibc | Not affected (2.37.0-r0) |
| Stream | glibc | Not affected (2.37.0-r0) | |
| Hardened Containers | 23 LTS | glibc | Not affected (2.37.0-r0) |
| Stream | glibc | Not affected (2.37.0-r0) |
References
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SYZL6PAKI73XYRJYL5VLDGA4FFGWMB7A/
- https://sourceware.org/bugzilla/show_bug.cgi?id=21115
- https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=d42eed4a044e5e10dfb885cf9891c2518a72a491
- https://usn.ubuntu.com/4416-1/
- https://www.securityfocus.com/bid/100679