VulnerabilityModified
CVE-2020-1751
An out-of-bounds write vulnerability was found in glibc before 2.31 when handling signal trampolines on PowerPC.
HIGH 7.0EPSS 0.54%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.54%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An out-of-bounds write vulnerability was found in glibc before 2.31 when handling signal trampolines on PowerPC. Specifically, the backtrace function did not properly check the array bounds when storing the frame address, resulting in a denial of service or potential code execution. The highest threat from this vulnerability is to system availability.
- CVSS 3.1
- 7.0 HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.54% probability · 44th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- gnu/glibc · redhat/enterprise linux · canonical/ubuntu linux
- Source
- secalert@redhat.com
References
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1751Issue Tracking, Patch, Third Party Advisory
- https://security.gentoo.org/glsa/202006-04Third Party Advisory
- https://security.netapp.com/advisory/ntap-20200430-0002/Third Party Advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=25423Issue Tracking, Third Party Advisory
- https://usn.ubuntu.com/4416-1/Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1751Issue Tracking, Patch, Third Party Advisory
- https://security.gentoo.org/glsa/202006-04Third Party Advisory
- https://security.netapp.com/advisory/ntap-20200430-0002/Third Party Advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=25423Issue Tracking, Third Party Advisory
- https://usn.ubuntu.com/4416-1/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.