Description
An incorrect implementation of "XEP-0280: Message Carbons" in multiple XMPP clients allows a remote attacker to impersonate any user, including contacts, in the vulnerable application's display. This allows for various kinds of social engineering attacks. This CVE is for SleekXMPP up to 1.3.1 and Slixmpp all versions up to 1.2.3, as bundled in poezio (0.8 - 0.10) and other products.
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 | slixmpp | 1.2.2-1.1 | — |
| Debian 13 | slixmpp | 1.2.2-1.1 | — |
| Debian 12 | slixmpp | 1.2.2-1.1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | sleekxmpp | No fix yet | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | sleekxmpp | < 1.3.2 | 1.3.2 | GHSA-c35g-jr5f-h83p |
| PyPI | slixmpp | < 1.2.4 | 1.2.4 | GHSA-c35g-jr5f-h83p |