CVE-2019-7149
Published: August 31, 2023Last modified: August 31, 2023
Description
A heap-based buffer over-read was discovered in the function read_srclines in dwarf_getsrclines.c in libdw in elfutils 0.175. A crafted input can cause segmentation faults, leading to denial-of-service, as demonstrated by eu-nm.
Severity score breakdown
| Parameter | Value | 
|---|---|
| Base score | 6.5 | 
| Attack Vector | NETWORK | 
| Attack complexity | LOW | 
| Privileges required | NONE | 
| User interaction | REQUIRED | 
| Scope | UNCHANGED | 
| Confidentiality | NONE | 
| Integrity impact | NONE | 
| Availability impact | HIGH | 
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H | 
Status
| Product | Release | Package | Status | 
|---|---|---|---|
| Alpaquita Linux | 23 LTS | elfutils | Not affected (0.187-r1) | 
| Stream | elfutils | Not affected (0.189-r3) | 
References
- https://access.redhat.com/errata/RHSA-2019:2197
 - https://access.redhat.com/errata/RHSA-2019:3575
 - https://lists.debian.org/debian-lts-announce/2019/02/msg00036.html
 - https://sourceware.org/bugzilla/show_bug.cgi?id=24102
 - https://sourceware.org/ml/elfutils-devel/2019-q1/msg00068.html
 - https://usn.ubuntu.com/4012-1/