Description
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.
CVSS breakdown
CVSS 3.1
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
High
Affected products
- The GNU C Library / glibc2.1.93 – 2.40
Exploits & proofs of concept
- nucleiPHP - LFR to Remote Code Executionby Kim Dongyoung (Kairos-hk),bolkv,n0ming,RoughBoy0723
References
- VENDOR_ADVISORYhttps://sourceware.org/git/?p=glibc.git;a=blob;f=advisories/GLIBC-SA-2024-0004
- MAILING_LISThttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/P3I4KYS6EU6S7QZ47WFNTPVAHFIUQNEL/
- MAILING_LISThttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YAMJQI3Y6BHWV3CUTYBXOZONCUJNOB2Z/
- MAILING_LISThttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BTJFBGHDYG5PEIFD5WSSSKSFZ2AZWC5N/
- MAILING_LISThttp://www.openwall.com/lists/oss-security/2024/04/24/2
- MAILING_LISThttp://www.openwall.com/lists/oss-security/2024/04/17/9
- MAILING_LISThttp://www.openwall.com/lists/oss-security/2024/04/18/4
- MAILING_LISThttps://lists.debian.org/debian-lts-announce/2024/05/msg00001.html
- MAILING_LISThttp://www.openwall.com/lists/oss-security/2024/05/27/2
- MAILING_LISThttp://www.openwall.com/lists/oss-security/2024/05/27/6
- MAILING_LISThttp://www.openwall.com/lists/oss-security/2024/05/27/1
- MAILING_LISThttp://www.openwall.com/lists/oss-security/2024/05/27/4
- MAILING_LISThttp://www.openwall.com/lists/oss-security/2024/05/27/5
- MAILING_LISThttp://www.openwall.com/lists/oss-security/2024/05/27/3
- MISChttps://security.netapp.com/advisory/ntap-20240531-0002/
- MAILING_LISThttp://www.openwall.com/lists/oss-security/2024/07/22/5
Updated 23m ago · 8 sources