Skip to main content

Microsoft Reclassifies SPNEGO Extended Negotiation Security Vulnerability as 'Critical'.




Microsoft has revised the severity of a security vulnerability it originally patched in September 2022, upgrading it to "Critical" after it emerged that it could be exploited to achieve remote code execution.


Tracked as CVE-2022-37958 (CVSS score: 8.1), the flaw was previously described as an information disclosure vulnerability in SPNEGO Extended Negotiation (NEGOEX) Security Mechanism.


SPNEGO, short for Simple and Protected GSSAPI Negotiation Mechanism (SPNEGO), is a scheme that allows a client and remote server to arrive at a consensus on the choice of the protocol to be used (e.g., Kerberos or NTLM) for authentication.


But a further analysis of the flaw by IBM Security X-Force researcher Valentina Palmiotti found that it could allow remote execution of arbitrary code, prompting Microsoft to reclassify its severity.


"This vulnerability is a pre-authentication remote code execution vulnerability impacting a wide range of protocols," IBM said this week. "It has the potential to be wormable."


Specially, the shortcoming could enable remote code execution via any Windows application protocol that authenticates, including HTTP, SMB, and RDP. Given the criticality of the issue, IBM said it's withholding technical details until Q2 2023 to give organizations enough time to apply the fixes.


"Successful exploitation of this vulnerability requires an attacker to prepare the target environment to improve exploit reliability," Microsoft cautioned in its updated advisory.


"Unlike the vulnerability (CVE-2017-0144) exploited by EternalBlue and used in the WannaCry ransomware attacks, which only affected the SMB protocol, this vulnerability has a broader scope and could potentially affect a wider range of Windows systems due to a larger attack surface of services exposed to the public internet (HTTP, RDP, SMB) or on internal networks," IBM noted.


Source; THN.

Comments

Popular posts from this blog

Escaped Murder Suspect Finally Arrested in Yumbe Regional Referral Hospital, Yumbe District.

Story by Osuta Yusuf. 19-November-2024. 📸: Eyotre Kennedy handcuffed on bed while receiving medication this morning at Yumbe Regional Referral Hospital in Yumbe District. Eyotre Kennedy originating from Etoko village, Nyoroo Parish, Nyadri Sub-county in Maracha District who has for many years been terrorizing residents in his village, has finally been arrested this Monday morning 19-November-2024 while receiving treatment at Yumbe Regional Referral Hospital in Yumbe District following injuries he sustained from Theft mission on Saturday night 16-November-2024 in Owapi village, Azapi parish in Odupi Sub-county, Terego East Constituency in Terego District. Click here on the link  https://informationispowah.blogspot.com/2024/11/fugitive-who-chopped-3-people-killed.html   to read the story on his Theft of Goats in Terego. Upon getting cut on the finger and leg by the Mob as he attempted to fight and overpower owner of the goats he attempted to steal on Saturday night ...

41-Years-Old Man Digs His Own Grave in Maracha District.

Story by Osuta Yusuf.  Maracha District.  📸: The grave been dug by Mr Opiga Michael, a victim of frustration. Photo taken by Osuta Yusuf , on Wednesday 11-September-2024. The residents of Ebapi village, Baria Parish in Nyadri Sub-county, Maracha east constituency, Maracha District are in shock after a 41 year old man started digging his own grave. The man, identified as Mr Opiga Michael, who seems to be frustrated over some challenges in life, started digging his own grave on Tuesday 10-September-2024 until he was stopped by the elders in Nyaria clan. 📸: Opiga Michael, the Victim of Frustration. Photo by Osuta Yusuf , Information is Power. While speaking to our reporter on Wednesday evening 11-September-2024, Mr Opiga Michael, said, his main plan  was to commit suicide after finishing digging the grave for burying himself, explained that, he feels frustrated, abandoned and hated by his own clan people, whom he accused of piling lies against him a...

Wedded Ayivu West MP Lematia John Fights Over Another Woman.

  📸: Hon Lematia John. By URN. Police in Arua district are investigating a case of assault and threatening violence involving the Member of Parliament for Ayivu West Constituency John Lematia and James Ariko, a DSTV technician in Arua city. Drama ensued on Easter Sunday 31-3-2024 at Dream Land Hotel located at Kuluva trading center along Arua-Nebbi highway in Arua district when the legislator and the technician engaged in a fight reportedly over a woman identified as Faith Eyotaru 25, a relationship officer at Victoria University Kampala. The scuffle started after Ayivu West Mp John Lematia went to swim at Dreamland Hotel with Faith Eyotaru only to find Ariko, who had gone to the same hotel earlier. However, upon seeing the duo coming out of the vehicle, Ariko confronted Lematia with both men claiming to be having a relationship with the lady. It took the intervention of the staff at the hotel who intervened and separated the fight between the men. Josephine Angucia, the West Nil...