Vulnerability Monitor

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CVE-2020-25643

A flaw was found in the HDLC_PPP module of the Linux kernel in versions before 5.9-rc7. Memory corruption and a read overflow is caused by improper input validation in the ppp_cp_parse_cr function which can cause the system to crash or cause a denial of service. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Published

2020-10-06T14:15:12.683

Last Modified

2024-11-21T05:18:19.180

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.2 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:S/C:P/I:P/A:C

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: SINGLE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: COMPLETE

Exploitability Score

6.8

Impact Score

8.5

Weaknesses

Type: Primary
CWE-20
Type: Secondary
CWE-20

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	< 4.4.238	Yes
Operating System	linux	linux_kernel	< 4.9.238	Yes
Operating System	linux	linux_kernel	< 4.14.200	Yes
Operating System	linux	linux_kernel	< 4.19.148	Yes
Operating System	linux	linux_kernel	< 5.4.68	Yes
Operating System	linux	linux_kernel	< 5.8.12	Yes
Operating System	linux	linux_kernel	5.9.0	Yes
Operating System	linux	linux_kernel	5.9.0	Yes
Operating System	linux	linux_kernel	5.9.0	Yes
Operating System	linux	linux_kernel	5.9.0	Yes
Operating System	linux	linux_kernel	5.9.0	Yes
Operating System	linux	linux_kernel	5.9.0	Yes
Operating System	redhat	enterprise_linux	7.0	Yes
Operating System	redhat	enterprise_linux	8.0	Yes
Operating System	opensuse	leap	15.1	Yes
Operating System	debian	debian_linux	9.0	Yes
Operating System	debian	debian_linux	10.0	Yes
Operating System	opensuse	leap	15.2	Yes
Operating System	netapp	h410c_firmware	-	Yes
Hardware	netapp	h410c	-	No
Application	starwindsoftware	starwind_virtual_san	v8	Yes
Application	starwindsoftware	starwind_virtual_san	v8	Yes
Application	starwindsoftware	starwind_virtual_san	v8	Yes
Application	starwindsoftware	starwind_virtual_san	v8	Yes
Application	starwindsoftware	starwind_virtual_san	v8	Yes
Application	starwindsoftware	starwind_virtual_san	v8	Yes

References

http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00042.html Mailing List, Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=1879981 Issue Tracking, Patch, Third Party Advisory ([email protected])
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=66d42ed8b25b64eb63111a2b8582c5afc8bf1105 Mailing List, Patch, Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2020/10/msg00028.html Mailing List, Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html Mailing List, Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html Mailing List, Third Party Advisory ([email protected])
https://security.netapp.com/advisory/ntap-20201103-0002/ Third Party Advisory ([email protected])
https://www.debian.org/security/2020/dsa-4774 Third Party Advisory ([email protected])
https://www.starwindsoftware.com/security/sw-20210325-0002/ Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00042.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=1879981 Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=66d42ed8b25b64eb63111a2b8582c5afc8bf1105 Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2020/10/msg00028.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20201103-0002/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2020/dsa-4774 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.starwindsoftware.com/security/sw-20210325-0002/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)