Description
The DSS verification code in Dropbear SSH Server before 0.43 frees uninitialized variables, which might allow remote attackers to gain access.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | dropbear | 0.43-2 | — |
| Debian 13 | dropbear | 0.43-2 | — |
| Debian 12 | dropbear | 0.43-2 | — |
References
- cisco-unifiedipphone-ssh-bo(40490) vdb-entry
- 20080213 Cisco Unified IP Phone Overflow and Denial of Service Vulnerabilities vendor-advisory
- 8137 vdb-entry
- 12153 third-party-advisory
- http://matt.ucc.asn.au/dropbear/CHANGES
- ADV-2008-0543 vdb-entry
- dropbear-dss-code-execution(16810) vdb-entry
- 28935 third-party-advisory
- 10803 vdb-entry