CVE-2020-29652 — NULL Pointer Dereference in X Crypto

CWE-476 — NULL Pointer Dereference8 documents6 sources
Severity
7.5HIGHNVD
EPSS
0.0%
top 91.37%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Golang.org X CryptoGolang SSH
Timeline
PublishedDec 17
Latest updateMay 24

Description

A nil pointer dereference in the golang.org/x/crypto/ssh component through v0.0.0-20201203163018-be400aefbc4c for Go allows remote attackers to cause a denial of service against SSH servers.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages2 packages

▶Gogolang.org/x_crypto< 0.0.0-20201216223049-8b5274cf687f
▶NVDgolang/ssh0.0.0-20201203163018-be400aefbc4c

🔴Vulnerability Details

5
GHSA
golang.org/x/crypto/ssh NULL Pointer Dereference vulnerability↗2022-05-24
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OSV
golang.org/x/crypto/ssh NULL Pointer Dereference vulnerability↗2022-05-24
▶
OSV
Panic on crafted authentication request message in golang.org/x/crypto/ssh↗2022-02-17
▶
CVEList
CVE-2020-29652: A nil pointer dereference in the golang↗2020-12-17
▶
OSV
CVE-2020-29652: A nil pointer dereference in the golang↗2020-12-17
▶

📋Vendor Advisories

2
Red Hat
golang: crypto/ssh: crafted authentication request can lead to nil pointer dereference↗2020-12-16
▶
Debian
CVE-2020-29652: golang-go.crypto - A nil pointer dereference in the golang.org/x/crypto/ssh component through v0.0....↗2020
▶
CVE-2020-29652 — NULL Pointer Dereference in X Crypto | cvebase