Out-of-bounds Read in Opensuse Leap
CVE-2020-10769
A buffer over-read flaw was found in RH kernel versions before 5.0 in crypto_authenc_extractkeys in crypto/authenc.c in the IPsec Cryptographic algorithm's module, authenc. When a payload longer than 4 bytes, and is not following 4-byte alignment boundary guidelines, it causes a buffer over-read threat, leading to a system crash. This flaw allows a local attacker with user privileges to cause a denial of service.
Vulnerability class: Buffer Overflow
EPSS: 0.005 (39.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Opensuse Leap — versions 15.1
- Redhat Enterprise_linux — versions 7.0
- N/a Kernel — versions All kernel versions before 5.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_MISC)
- secalert@redhat.com (Exploit, Patch, Mailing List, Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- secalert@redhat.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-10769?
- CVE-2020-10769 is a medium-severity vulnerability in Opensuse Leap, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2020-06-26.
- How severe is CVE-2020-10769?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2020-10769 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.