VulnerabilityModified
CVE-2022-26496
In nbd-server in nbd before 3.24, there is a stack-based buffer overflow.
CRITICAL 9.8EPSS 3.59%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.59%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In nbd-server in nbd before 3.24, there is a stack-based buffer overflow. An attacker can cause a buffer overflow in the parsing of the name field by sending a crafted NBD_OPT_INFO or NBD_OPT_GO message with an large value as the length of the name.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 3.59% probability · 89th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- network block device project/network block device · debian/debian linux · fedoraproject/fedora
- Source
- cve@mitre.org
References
- http://packetstormsecurity.com/files/172148/Shannon-Baseband-fmtp-SDP-Attribute-Memory-Corruption.html
- https://lists.debian.org/nbd/2022/01/msg00036.htmlMailing List, Third Party Advisory
- https://lists.debian.org/nbd/2022/01/msg00037.htmlExploit, Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G2UPX62BIWOOHSACGUDB7E3O4URNN37F/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IZHR73XMAJTCFGKUZRXVTZKCK2X3IFNA/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PU5JFD4PEJED72TZLZ5R2Q2SFXICU5I5/
- https://security.gentoo.org/glsa/202402-10
- https://sourceforge.net/projects/nbd/files/nbd/Product, Release Notes, Third Party Advisory
- https://www.debian.org/security/2022/dsa-5100Third Party Advisory
- http://packetstormsecurity.com/files/172148/Shannon-Baseband-fmtp-SDP-Attribute-Memory-Corruption.html
- https://lists.debian.org/nbd/2022/01/msg00036.htmlMailing List, Third Party Advisory
- https://lists.debian.org/nbd/2022/01/msg00037.htmlExploit, Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G2UPX62BIWOOHSACGUDB7E3O4URNN37F/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IZHR73XMAJTCFGKUZRXVTZKCK2X3IFNA/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PU5JFD4PEJED72TZLZ5R2Q2SFXICU5I5/
- https://security.gentoo.org/glsa/202402-10
- https://sourceforge.net/projects/nbd/files/nbd/Product, Release Notes, Third Party Advisory
- https://www.debian.org/security/2022/dsa-5100Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.