glibc: GLIBC-SA-2024-0004/CVE-2024-2961: ISO-2022-CN-EXT: fix out-of-bound writes when writing escape sequence

Related Vulnerabilities: CVE-2024-2961  

Debian Bug report logs - #1069191
glibc: GLIBC-SA-2024-0004/CVE-2024-2961: ISO-2022-CN-EXT: fix out-of-bound writes when writing escape sequence

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Reported by: Salvatore Bonaccorso <carnil@debian.org>

Date: Wed, 17 Apr 2024 19:03:01 UTC

Severity: important

Tags: security, upstream

Found in versions glibc/2.36-9+deb12u4, glibc/2.36-9+deb12u5, glibc/2.31-13, glibc/2.37-17, glibc/2.31-13+deb11u8, glibc/2.37-15, glibc/2.36-9

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Report forwarded to debian-bugs-dist@lists.debian.org, carnil@debian.org, team@security.debian.org, GNU Libc Maintainers <debian-glibc@lists.debian.org>:
Bug#1069191; Package src:glibc. (Wed, 17 Apr 2024 19:03:03 GMT) (full text, mbox, link).


Acknowledgement sent to Salvatore Bonaccorso <carnil@debian.org>:
New Bug report received and forwarded. Copy sent to carnil@debian.org, team@security.debian.org, GNU Libc Maintainers <debian-glibc@lists.debian.org>. (Wed, 17 Apr 2024 19:03:03 GMT) (full text, mbox, link).


Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: Salvatore Bonaccorso <carnil@debian.org>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: glibc: GLIBC-SA-2024-0004/CVE-2024-2961: ISO-2022-CN-EXT: fix out-of-bound writes when writing escape sequence
Date: Wed, 17 Apr 2024 20:58:50 +0200
Source: glibc
Version: 2.37-17
Severity: important
Tags: security upstream
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>
Control: found -1 2.37-15
Control: found -1 2.36-9+deb12u5
Control: found -1 2.36-9+deb12u4
Control: found -1 2.36-9
Control: found -1 2.31-13+deb11u8
Control: found -1 2.31-13

Hi,

The following vulnerability was published for glibc.

CVE-2024-2961[0]:
| The iconv() function in the GNU C Library versions 2.39 and older
| may overflow the output buffer passed to it by up to 4 bytes when
| converting strings to the ISO-2022-CN-EXT character set, which may
| be used to crash an application or overwrite a neighbouring
| variable.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2024-2961
    https://www.cve.org/CVERecord?id=CVE-2024-2961
[1] https://www.openwall.com/lists/oss-security/2024/04/17/9

Regards,
Salvatore



Marked as found in versions glibc/2.37-15. Request was from Salvatore Bonaccorso <carnil@debian.org> to submit@bugs.debian.org. (Wed, 17 Apr 2024 19:03:03 GMT) (full text, mbox, link).


Marked as found in versions glibc/2.36-9+deb12u5. Request was from Salvatore Bonaccorso <carnil@debian.org> to submit@bugs.debian.org. (Wed, 17 Apr 2024 19:03:04 GMT) (full text, mbox, link).


Marked as found in versions glibc/2.36-9+deb12u4. Request was from Salvatore Bonaccorso <carnil@debian.org> to submit@bugs.debian.org. (Wed, 17 Apr 2024 19:03:05 GMT) (full text, mbox, link).


Marked as found in versions glibc/2.36-9. Request was from Salvatore Bonaccorso <carnil@debian.org> to submit@bugs.debian.org. (Wed, 17 Apr 2024 19:03:05 GMT) (full text, mbox, link).


Marked as found in versions glibc/2.31-13+deb11u8. Request was from Salvatore Bonaccorso <carnil@debian.org> to submit@bugs.debian.org. (Wed, 17 Apr 2024 19:03:06 GMT) (full text, mbox, link).


Marked as found in versions glibc/2.31-13. Request was from Salvatore Bonaccorso <carnil@debian.org> to submit@bugs.debian.org. (Wed, 17 Apr 2024 19:03:06 GMT) (full text, mbox, link).


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