Out-of-bounds Read The advisory has been revoked - it doesn't affect any version of package ldb (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-DEBIANUNSTABLE-LDB-1088948
- published25 Mar 2021
- disclosed12 May 2021
Introduced: 25 Mar 2021
CVE-2021-20277 (opens in a new tab)Amendment
The Debian security team deemed this advisory irrelevant for Debian:unstable.
NVD Description
Note: Versions mentioned in the description apply only to the upstream ldb package and not the ldb package as distributed by Debian.
A flaw was found in Samba's libldb. Multiple, consecutive leading spaces in an LDAP attribute can lead to an out-of-bounds memory write, leading to a crash of the LDAP server process handling the request. The highest threat from this vulnerability is to system availability.
References
- https://security-tracker.debian.org/tracker/CVE-2021-20277
- https://security.netapp.com/advisory/ntap-20210326-0007/
- https://www.debian.org/security/2021/dsa-4884
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VLZ74IF2N75VQSIHBL4B3P5WKWQCXSRY/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X5J3B6PN5XMXF3OHYBNHDKZ3XFSUGY4L/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZXP3ONIY6MB4C5LDZV4YL5KJCES3UX24/
- https://security.gentoo.org/glsa/202105-22
- https://bugzilla.redhat.com/show_bug.cgi?id=1941402
- https://www.samba.org/samba/security/CVE-2021-20277.html
- https://lists.debian.org/debian-lts-announce/2021/03/msg00036.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VLZ74IF2N75VQSIHBL4B3P5WKWQCXSRY/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X5J3B6PN5XMXF3OHYBNHDKZ3XFSUGY4L/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZXP3ONIY6MB4C5LDZV4YL5KJCES3UX24/