| Name | CVE-2020-12864 |
| Description | An out-of-bounds read in SANE Backends before 1.0.30 may allow a malicious device connected to the same local network as the victim to read important information, such as the ASLR offsets of the program, aka GHSL-2020-081. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 961302 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| sane-backends (PTS) | jessie, jessie (lts) | 1.0.24-8+deb8u3 | fixed |
| stretch (security), stretch (lts), stretch | 1.0.25-4.1+deb9u2 | vulnerable |
| buster | 1.0.27-3.2 | vulnerable |
| bullseye | 1.0.31-4.1 | fixed |
| bookworm | 1.2.1-2 | fixed |
| sid, trixie | 1.3.0-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
[buster] - sane-backends <no-dsa> (Minor issue)
[stretch] - sane-backends <ignored> (already mitigated, auto-discovery for unsupported network access added in 1.0.27)
[jessie] - sane-backends <not-affected> (epsonds backend was added in 1.0.25)
https://gitlab.com/sane-project/backends/-/issues/279
https://gitlab.com/sane-project/backends/-/issues/279#issue-4-ghsl-2020-081-reading-uninitialized-data-in-epsonds_net_read
https://alioth-lists.debian.net/pipermail/sane-announce/2020/000041.html
https://gitlab.com/sane-project/backends/-/commit/30b1831a28f24ab2921b9f717c66d37f02bb81cc (1.0.30, disable unsupported network access)
https://gitlab.com/sane-project/backends/-/merge_requests/500 (prospective network code fix)