CVE-2020-1751

CWE-787Out-of-bounds Write13 documents9 sources
Severity
7.0HIGH
EPSS
0.1%
top 66.43%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedApr 17
Latest updateMay 24

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 vector

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 1.4 | Impact: 3.6

Affected Packages3 packages

NVDgnu/glibc< 2.31
Debianglibc< 2.30-3+3
CVEListV5red_hat/glibc2.31

Also affects: Ubuntu Linux 16.04, 18.04, 19.10, Enterprise Linux 8.0

Patches

🔴Vulnerability Details

3
GHSA
GHSA-22j8-wpwh-4rrr: An out-of-bounds write vulnerability was found in glibc before 22022-05-24
CVEList
CVE-2020-1751: An out-of-bounds write vulnerability was found in glibc before 22020-04-17
OSV
CVE-2020-1751: An out-of-bounds write vulnerability was found in glibc before 22020-04-17

📋Vendor Advisories

4
Ubuntu
GNU C Library vulnerabilities2020-07-06
Microsoft
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 storin2020-04-14
Red Hat
glibc: array overflow in backtrace functions for powerpc2020-01-20
Debian
CVE-2020-1751: glibc - An out-of-bounds write vulnerability was found in glibc before 2.31 when handlin...2020

💬Community

5
Bugzilla
CVE-2020-27768 ImageMagick: outside the range of representable values of type 'unsigned int' at MagickCore/quantum-private.h2020-11-04
Bugzilla
CVE-2020-15011 mailman: arbitrary content injection via the private archive login page2020-06-24
Bugzilla
CVE-2020-12108 mailman: arbitrary content injection via the options login page2020-06-19
Bugzilla
CVE-2020-1751 glibc: array overflow in backtrace functions for powerpc [fedora-all]2020-03-09
Bugzilla
CVE-2020-1751 glibc: array overflow in backtrace functions for powerpc2020-03-05