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Tue, 21 Feb 2023 11:37:23 GMT (envelope-from git) Date: Tue, 21 Feb 2023 11:37:23 GMT Message-Id: <202302211137.31LBbN64008890@gitrepo.freebsd.org> To: ports-committers@FreeBSD.org, dev-commits-ports-all@FreeBSD.org, dev-commits-ports-main@FreeBSD.org From: Renato Botelho Subject: git: 945cff6a5672 - main - security/vuxml: Document recent git CVEs List-Id: Commits to the main branch of the FreeBSD ports repository List-Archive: https://lists.freebsd.org/archives/dev-commits-ports-main List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-ports-main@freebsd.org X-BeenThere: dev-commits-ports-main@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: garga X-Git-Repository: ports X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 945cff6a567218c48af80522dcd17c2056186b65 Auto-Submitted: auto-generated X-ThisMailContainsUnwantedMimeParts: N The branch main has been updated by garga: URL: https://cgit.FreeBSD.org/ports/commit/?id=945cff6a567218c48af80522dcd17c2056186b65 commit 945cff6a567218c48af80522dcd17c2056186b65 Author: Renato Botelho AuthorDate: 2023-02-21 11:34:11 +0000 Commit: Renato Botelho CommitDate: 2023-02-21 11:37:19 +0000 security/vuxml: Document recent git CVEs Document CVEs fixed by devel/git 2.39.1 and 2.39.2: CVE-2022-41903 CVE-2022-23521 CVE-2023-22490 CVE-2023-23946 PR: 269655 Sponsored by: Rubicon Communications, LLC ("Netgate") --- security/vuxml/vuln/2023.xml | 146 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 146 insertions(+) diff --git a/security/vuxml/vuln/2023.xml b/security/vuxml/vuln/2023.xml index 1e615fedfde9..3d223b5b546b 100644 --- a/security/vuxml/vuln/2023.xml +++ b/security/vuxml/vuln/2023.xml @@ -1,3 +1,149 @@ + + git -- "git apply" overwriting paths outside the working tree + + + git + 2.39.2 + + + + +

git team reports:

+
+

By feeding a crafted input to "git apply", a path outside the + working tree can be overwritten as the user who is running "git + apply".

+
+ + + + CVE-2023-23946 + https://github.blog/2023-02-14-git-security-vulnerabilities-announced-3/#cve-2023-23946 + + + 2023-02-14 + 2023-02-21 + + + + + git -- Local clone-based data exfiltration with non-local transports + + + git + 2.39.2 + + + + +

git team reports:

+
+

Using a specially-crafted repository, Git can be tricked into using + its local clone optimization even when using a non-local transport. + Though Git will abort local clones whose source $GIT_DIR/objects + directory contains symbolic links (c.f., CVE-2022-39253), the objects + directory itself may still be a symbolic link.

+ +

These two may be combined to include arbitrary files based on known + paths on the victim's filesystem within the malicious repository's + working copy, allowing for data exfiltration in a similar manner as + CVE-2022-39253.

+
+ + + + CVE-2023-22490 + https://github.blog/2023-02-14-git-security-vulnerabilities-announced-3/#cve-2023-22490 + + + 2023-02-14 + 2023-02-21 + + + + + git -- gitattributes parsing integer overflow + + + git + 2.39.1 + + + + +

git team reports:

+
+

gitattributes are used to define unique attributes corresponding + to paths in your repository. These attributes are defined by + .gitattributes file(s) within your repository.

+ +

The parser used to read these files has multiple integer + overflows, which can occur when parsing either a large number + of patterns, a large number of attributes, or attributes with + overly-long names.

+ +

These overflows may be triggered via a malicious + .gitattributes file. However, Git automatically splits lines at + 2KB when reading .gitattributes from a file, but not when parsing + it from the index. Successfully exploiting this vulnerability + depends on the location of the .gitattributes file in question.

+ +

This integer overflow can result in arbitrary heap reads + and writes, which may result in remote code execution.

+
+ + + + CVE-2022-23521 + https://github.blog/2023-01-17-git-security-vulnerabilities-announced-2/#cve-2022-23521 + + + 2023-01-17 + 2023-02-21 + + + + + git -- Heap overflow in `git archive`, `git log --format` leading to RCE + + + git + 2.39.1 + + + + +

The git team reports:

+
+

git log has the ability to display commits using an arbitrary + format with its --format specifiers. This functionality is also + exposed to git archive via the export-subst gitattribute.

+

When processing the padding operators (e.g., %<(, %<|(, + %>(, %>>(, or %><( ), an integer overflow can occur in + pretty.c::format_and_pad_commit() where a size_t is improperly + stored as an int, and then added as an offset to a subsequent + memcpy() call.

+

This overflow can be triggered directly by a user running a + command which invokes the commit formatting machinery (e.g., git + log --format=...). It may also be triggered indirectly through + git archive via the export-subst mechanism, which expands format + specifiers inside of files within the repository during a git + archive.

+

This integer overflow can result in arbitrary heap writes, which + may result in remote code execution.

+
+ + + + CVE-2022-41903 + https://github.blog/2023-01-17-git-security-vulnerabilities-announced-2/#cve-2022-41903 + + + 2023-01-17 + 2023-02-21 + + + gitea -- password hash quality