CVE-2012-0920 Use-after-free vulnerability in Dropbear SSH Server 0.52 through 2012.54, when command restriction and public key authentication are enabled, allows remote authenticated users to execute arbitrary cod...
HighCVSS 7.1
EPSS 6.4%
- Published
- Updated
- Exploit status
- No public exploit known
Description
Use-after-free vulnerability in Dropbear SSH Server 0.52 through 2012.54, when command restriction and public key authentication are enabled, allows remote authenticated users to execute arbitrary code and bypass command restrictions via multiple crafted command requests, related to "channels concurrency."
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| debian/dropbear(Debian:12) | < 2012.55-1 | 2012.55-1 |
| debian/dropbear(Debian:13) | < 2012.55-1 | 2012.55-1 |
| debian/dropbear(Debian:14) | < 2012.55-1 | 2012.55-1 |
| dropbear ssh project dropbear ssh | >= 0.52, <= 2012.54 | No fix listed |
| debian linux | = 6.0 | No fix listed |
| debian linux | = 7.0 | No fix listed |
References
- Debian Security Tracker CVE-2012-0920 vendor-advisory
- matt.ucc.asn.au vendor-advisory
- 48147 third-party-advisory
- 48929 third-party-advisory
- DSA-2456 third-party-advisory vendor-advisory
- 79590 broken-link vdb-entry
- 52159 third-party-advisory vdb-entry
- dropbear-code-execution(73444) third-party-advisory vdb-entry
- secure.ucc.asn.au vendor-advisory
- www.mantor.org third-party-advisory
- bugs.debian.org issue-tracking