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Debian Security Advisory 4581-1

Debian Security Advisory 4581-1
Posted Dec 10, 2019
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4581-1 - Several vulnerabilities have been discovered in git, a fast, scalable, distributed revision control system.

tags | advisory, vulnerability
systems | linux, debian
advisories | CVE-2019-1348, CVE-2019-1349, CVE-2019-1352, CVE-2019-1353, CVE-2019-1387, CVE-2019-19604
MD5 | 138a8c7ad170b8b560c153c2f2dd3395

Debian Security Advisory 4581-1

Change Mirror Download
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- -------------------------------------------------------------------------
Debian Security Advisory DSA-4581-1 security@debian.org
https://www.debian.org/security/ Salvatore Bonaccorso
December 10, 2019 https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : git
CVE ID : CVE-2019-1348 CVE-2019-1349 CVE-2019-1352 CVE-2019-1353
CVE-2019-1387 CVE-2019-19604

Several vulnerabilities have been discovered in git, a fast, scalable,
distributed revision control system.

CVE-2019-1348

It was reported that the --export-marks option of git fast-import is
exposed also via the in-stream command feature export-marks=...,
allowing to overwrite arbitrary paths.

CVE-2019-1387

It was discovered that submodule names are not validated strictly
enough, allowing very targeted attacks via remote code execution
when performing recursive clones.

CVE-2019-19604

Joern Schneeweisz reported a vulnerability, where a recursive clone
followed by a submodule update could execute code contained within
the repository without the user explicitly having asked for that. It
is now disallowed for `.gitmodules` to have entries that set
`submodule.<name>.update=!command`.

In addition this update addresses a number of security issues which are
only an issue if git is operating on an NTFS filesystem (CVE-2019-1349,
CVE-2019-1352 and CVE-2019-1353).

For the oldstable distribution (stretch), these problems have been fixed
in version 1:2.11.0-3+deb9u5.

For the stable distribution (buster), these problems have been fixed in
version 1:2.20.1-2+deb10u1.

We recommend that you upgrade your git packages.

For the detailed security status of git please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/git

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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